Historical Prices
Year:
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Nov 30, 2012 | 73.29 | 73.30 | 73.29 | 73.29 | 1,213,676 | +0.01(+0.01%) |
| Nov 29, 2012 | 73.27 | 73.29 | 73.27 | 73.28 | 571,737 | +0.00(+0.00%) |
| Nov 28, 2012 | 73.28 | 73.29 | 73.27 | 73.28 | 406,274 | +0.01(+0.01%) |
| Nov 27, 2012 | 73.25 | 73.28 | 73.25 | 73.27 | 607,072 | +0.01(+0.01%) |
| Nov 26, 2012 | 73.27 | 73.28 | 73.26 | 73.26 | 859,882 | -0.01(-0.01%) |
| Nov 23, 2012 | 73.25 | 73.27 | 73.25 | 73.27 | 181,756 | +0.00(+0.00%) |
| Nov 21, 2012 | 73.26 | 73.27 | 73.26 | 73.27 | 486,328 | -0.01(-0.01%) |
| Nov 20, 2012 | 73.30 | 73.30 | 73.28 | 73.28 | 1,438,373 | -0.02(-0.02%) |
| Nov 19, 2012 | 73.30 | 73.31 | 73.30 | 73.30 | 1,096,405 | -0.01(-0.01%) |
| Nov 16, 2012 | 73.30 | 73.31 | 73.30 | 73.31 | 933,742 | +0.00(+0.00%) |
| Nov 15, 2012 | 73.31 | 73.31 | 73.30 | 73.31 | 1,208,216 | +0.00(+0.00%) |
| Nov 14, 2012 | 73.29 | 73.31 | 73.29 | 73.31 | 2,618,750 | +0.02(+0.02%) |
| Nov 13, 2012 | 73.30 | 73.30 | 73.29 | 73.29 | 1,056,777 | +0.01(+0.01%) |
| Nov 12, 2012 | 73.27 | 73.29 | 73.27 | 73.28 | 604,047 | +0.00(+0.00%) |
| Nov 09, 2012 | 73.28 | 73.30 | 73.27 | 73.28 | 2,725,352 | +0.00(+0.00%) |
| Nov 08, 2012 | 73.28 | 73.29 | 73.27 | 73.28 | 898,101 | +0.00(+0.00%) |
| Nov 07, 2012 | 73.27 | 73.28 | 73.27 | 73.28 | 803,658 | +0.06(+0.08%) |
| Nov 06, 2012 | 73.25 | 73.26 | 73.22 | 73.22 | 672,150 | -0.03(-0.04%) |
| Nov 05, 2012 | 73.27 | 73.27 | 73.25 | 73.25 | 2,526,061 | +0.00(+0.00%) |
| Nov 02, 2012 | 73.23 | 73.25 | 73.23 | 73.25 | 406,904 | -0.01(-0.01%) |
| Nov 01, 2012 | 73.21 | 73.26 | 73.21 | 73.25 | 844,278 | +0.00(+0.00%) |
| Oct 31, 2012 | 73.22 | 73.25 | 73.22 | 73.25 | 1,252,184 | +0.04(+0.06%) |
| Oct 26, 2012 | 73.22 | 73.21 | 73.21 | 73.21 | 551,335 | +0.02(+0.02%) |
| Oct 25, 2012 | 73.19 | 73.21 | 73.19 | 73.19 | 677,859 | -0.03(-0.04%) |
| Oct 24, 2012 | 73.21 | 73.23 | 73.21 | 73.22 | 1,220,712 | -0.01(-0.01%) |
| Oct 23, 2012 | 73.22 | 73.23 | 73.20 | 73.23 | 566,611 | +0.01(+0.01%) |
| Oct 19, 2012 | 73.20 | 73.23 | 73.20 | 73.22 | 491,421 | +0.00(+0.00%) |
| Oct 18, 2012 | 73.21 | 73.22 | 73.20 | 73.22 | 1,467,162 | +0.01(+0.01%) |
| Oct 17, 2012 | 73.23 | 73.24 | 73.21 | 73.21 | 649,247 | -0.04(-0.05%) |
| Oct 16, 2012 | 73.25 | 73.26 | 73.24 | 73.25 | 658,623 | -0.00(-0.00%) |
| Oct 15, 2012 | 73.27 | 73.27 | 73.25 | 73.25 | 394,999 | -0.02(-0.02%) |
| Oct 12, 2012 | 73.24 | 73.27 | 73.24 | 73.27 | 551,967 | +0.03(+0.04%) |
| Oct 11, 2012 | 73.26 | 73.26 | 73.24 | 73.24 | 719,527 | -0.01(-0.01%) |
| Oct 10, 2012 | 73.25 | 73.26 | 73.25 | 73.25 | 569,799 | -0.01(-0.01%) |
| Oct 09, 2012 | 73.25 | 73.26 | 73.25 | 73.26 | 1,197,798 | +0.00(+0.00%) |
| Oct 08, 2012 | 73.25 | 73.27 | 73.25 | 73.26 | 403,940 | +0.01(+0.01%) |
| Oct 05, 2012 | 73.27 | 73.28 | 73.25 | 73.25 | 1,864,331 | -0.03(-0.05%) |
| Oct 04, 2012 | 73.29 | 73.30 | 73.28 | 73.29 | 637,101 | +0.00(+0.00%) |
| Oct 03, 2012 | 73.29 | 73.30 | 73.29 | 73.29 | 3,131,272 | +0.00(+0.00%) |
| Oct 02, 2012 | 73.30 | 73.30 | 73.29 | 73.29 | 780,504 | -0.02(-0.02%) |
| Oct 01, 2012 | 73.30 | 73.30 | 73.30 | 73.30 | 3,100,714 | +0.00(+0.00%) |
| Sep 28, 2012 | 73.29 | 73.30 | 73.28 | 73.30 | 1,010,272 | +0.03(+0.05%) |
| Sep 27, 2012 | 73.26 | 73.28 | 73.25 | 73.27 | 514,195 | +0.01(+0.01%) |
| Sep 26, 2012 | 73.25 | 73.26 | 73.24 | 73.26 | 724,757 | +0.02(+0.02%) |
| Sep 25, 2012 | 73.24 | 73.25 | 73.23 | 73.24 | 1,474,064 | -0.02(-0.02%) |
| Sep 24, 2012 | 73.26 | 73.26 | 73.25 | 73.26 | 666,453 | +0.01(+0.01%) |
| Sep 21, 2012 | 73.24 | 73.25 | 73.23 | 73.25 | 720,478 | +0.01(+0.01%) |
| Sep 20, 2012 | 73.25 | 73.27 | 73.24 | 73.24 | 809,459 | -0.02(-0.02%) |
| Sep 19, 2012 | 73.25 | 73.26 | 73.25 | 73.26 | 614,699 | +0.00(+0.00%) |
| Sep 18, 2012 | 73.25 | 73.26 | 73.25 | 73.26 | 721,701 | +0.01(+0.01%) |
| Sep 17, 2012 | 73.25 | 73.26 | 73.25 | 73.25 | 1,155,803 | +0.00(+0.00%) |
| Sep 14, 2012 | 73.29 | 73.29 | 73.24 | 73.25 | 1,025,960 | -0.03(-0.05%) |
| Sep 13, 2012 | 73.28 | 73.30 | 73.25 | 73.29 | 903,634 | +0.03(+0.04%) |
| Sep 12, 2012 | 73.26 | 73.27 | 73.26 | 73.26 | 1,396,802 | -0.01(-0.01%) |
| Sep 11, 2012 | 73.26 | 73.27 | 73.25 | 73.27 | 606,883 | +0.02(+0.02%) |
| Sep 10, 2012 | 73.26 | 73.27 | 73.25 | 73.25 | 2,649,966 | -0.02(-0.02%) |
| Sep 07, 2012 | 73.27 | 73.29 | 73.26 | 73.27 | 1,921,047 | +0.02(+0.02%) |
| Sep 06, 2012 | 73.25 | 73.27 | 73.24 | 73.25 | 1,306,203 | -0.03(-0.05%) |
| Sep 05, 2012 | 73.29 | 73.29 | 73.28 | 73.29 | 663,382 | +0.00(+0.00%) |
| Sep 04, 2012 | 73.31 | 73.31 | 73.27 | 73.29 | 2,070,016 | -0.01(-0.01%) |
| Aug 31, 2012 | 73.26 | 73.31 | 73.26 | 73.29 | 1,089,504 | +0.04(+0.06%) |
| Aug 30, 2012 | 73.25 | 73.26 | 73.23 | 73.25 | 766,597 | +0.01(+0.01%) |
| Aug 29, 2012 | 73.23 | 73.24 | 73.22 | 73.24 | 590,984 | +0.01(+0.01%) |
| Aug 27, 2012 | 73.24 | 73.24 | 73.23 | 73.23 | 842,852 | -0.01(-0.01%) |
| Aug 24, 2012 | 73.24 | 73.25 | 73.22 | 73.24 | 745,557 | +0.00(+0.00%) |
| Aug 23, 2012 | 73.24 | 73.26 | 73.23 | 73.24 | 563,723 | +0.01(+0.01%) |
| Aug 22, 2012 | 73.21 | 73.24 | 73.20 | 73.23 | 729,038 | +0.04(+0.06%) |
| Aug 21, 2012 | 73.19 | 73.20 | 73.17 | 73.19 | 1,914,635 | +0.00(+0.00%) |
| Aug 20, 2012 | 73.19 | 73.20 | 73.19 | 73.19 | 618,572 | +0.00(+0.00%) |
| Aug 17, 2012 | 73.20 | 73.20 | 73.19 | 73.19 | 665,427 | +0.01(+0.01%) |
| Aug 16, 2012 | 73.20 | 73.20 | 73.17 | 73.18 | 919,796 | -0.01(-0.01%) |
| Aug 15, 2012 | 73.20 | 73.20 | 73.19 | 73.19 | 800,180 | -0.03(-0.04%) |
| Aug 14, 2012 | 73.22 | 73.22 | 73.20 | 73.21 | 2,025,366 | -0.02(-0.02%) |
| Aug 13, 2012 | 73.22 | 73.23 | 73.22 | 73.23 | 713,658 | +0.01(+0.01%) |
| Aug 10, 2012 | 73.23 | 73.23 | 73.22 | 73.22 | 718,155 | +0.02(+0.02%) |
| Aug 09, 2012 | 73.20 | 73.21 | 73.20 | 73.20 | 642,587 | +0.00(+0.00%) |
| Aug 08, 2012 | 73.23 | 73.23 | 73.20 | 73.20 | 1,469,712 | -0.03(-0.04%) |
| Aug 07, 2012 | 73.25 | 73.25 | 73.22 | 73.23 | 742,653 | -0.03(-0.05%) |
| Aug 06, 2012 | 73.27 | 73.27 | 73.26 | 73.26 | 2,703,512 | +0.01(+0.01%) |
| Aug 03, 2012 | 73.26 | 73.27 | 73.25 | 73.26 | 1,048,429 | -0.03(-0.04%) |
| Aug 02, 2012 | 73.28 | 73.30 | 73.27 | 73.28 | 681,914 | +0.01(+0.01%) |
| Aug 01, 2012 | 73.31 | 73.31 | 73.27 | 73.27 | 2,320,616 | -0.01(-0.02%) |
| Jul 31, 2012 | 73.29 | 73.30 | 73.28 | 73.29 | 1,057,590 | +0.02(+0.02%) |
| Jul 30, 2012 | 73.26 | 73.28 | 73.25 | 73.27 | 2,674,244 | +0.03(+0.05%) |
| Jul 27, 2012 | 73.25 | 73.27 | 73.22 | 73.23 | 1,046,986 | -0.05(-0.07%) |
| Jul 26, 2012 | 73.28 | 73.29 | 73.28 | 73.29 | 2,339,563 | +0.00(+0.00%) |
| Jul 25, 2012 | 73.30 | 73.30 | 73.28 | 73.29 | 1,161,539 | +0.01(+0.01%) |
| Jul 24, 2012 | 73.29 | 73.29 | 73.28 | 73.28 | 3,308,857 | -0.02(-0.02%) |
| Jul 23, 2012 | 73.29 | 73.30 | 73.28 | 73.29 | 465,771 | +0.01(+0.01%) |
| Jul 20, 2012 | 73.28 | 73.29 | 73.27 | 73.29 | 2,590,879 | +0.01(+0.01%) |
| Jul 19, 2012 | 73.27 | 73.29 | 73.27 | 73.28 | 1,664,678 | +0.02(+0.02%) |
| Jul 18, 2012 | 73.24 | 73.27 | 73.24 | 73.26 | 3,458,459 | +0.02(+0.02%) |
| Jul 17, 2012 | 73.24 | 73.25 | 73.23 | 73.24 | 2,537,504 | -0.01(-0.01%) |
| Jul 16, 2012 | 73.25 | 73.27 | 73.25 | 73.25 | 958,221 | +0.03(+0.04%) |
| Jul 13, 2012 | 73.22 | 73.23 | 73.20 | 73.23 | 731,359 | +0.02(+0.02%) |
| Jul 12, 2012 | 73.20 | 73.21 | 73.19 | 73.21 | 411,543 | +0.02(+0.02%) |
| Jul 11, 2012 | 73.19 | 73.20 | 73.18 | 73.19 | 645,285 | +0.01(+0.01%) |
| Jul 10, 2012 | 73.20 | 73.20 | 73.18 | 73.18 | 565,342 | +0.00(+0.00%) |
| Jul 09, 2012 | 73.19 | 73.20 | 73.18 | 73.18 | 647,178 | +0.00(+0.00%) |
| Jul 06, 2012 | 73.18 | 73.19 | 73.17 | 73.18 | 1,849,188 | +0.02(+0.03%) |
| Jul 05, 2012 | 73.15 | 73.16 | 73.15 | 73.16 | 1,390,308 | +0.03(+0.04%) |
| Jul 03, 2012 | 73.14 | 73.16 | 73.13 | 73.13 | 1,300,808 | -0.02(-0.02%) |
| Jul 02, 2012 | 73.13 | 73.16 | 73.13 | 73.15 | 17,278,066 | +0.02(+0.03%) |
| Jun 29, 2012 | 73.11 | 73.14 | 73.11 | 73.12 | 1,341,993 | +0.00(+0.00%) |
| Jun 28, 2012 | 73.13 | 73.14 | 73.12 | 73.12 | 1,046,446 | +0.01(+0.01%) |
| Jun 27, 2012 | 73.13 | 73.13 | 73.10 | 73.12 | 3,606,587 | +0.00(+0.00%) |
| Jun 26, 2012 | 73.12 | 73.13 | 73.11 | 73.12 | 3,831,547 | -0.02(-0.02%) |
| Jun 25, 2012 | 73.12 | 73.15 | 73.12 | 73.13 | 3,416,195 | +0.00(+0.00%) |
| Jun 22, 2012 | 73.12 | 73.13 | 73.12 | 73.13 | 1,434,449 | +0.01(+0.01%) |
| Jun 21, 2012 | 73.12 | 73.13 | 73.12 | 73.12 | 808,710 | +0.01(+0.01%) |
| Jun 20, 2012 | 73.15 | 73.16 | 73.11 | 73.12 | 3,512,231 | -0.03(-0.04%) |
| Jun 19, 2012 | 73.15 | 73.16 | 73.14 | 73.14 | 2,032,569 | -0.01(-0.01%) |
| Jun 18, 2012 | 73.16 | 73.16 | 73.14 | 73.15 | 4,388,653 | -0.02(-0.02%) |
| Jun 15, 2012 | 73.15 | 73.17 | 73.14 | 73.17 | 552,408 | +0.03(+0.04%) |
| Jun 14, 2012 | 73.16 | 73.16 | 73.13 | 73.14 | 1,149,061 | +0.01(+0.01%) |
| Jun 13, 2012 | 73.15 | 73.15 | 73.12 | 73.13 | 619,955 | -0.01(-0.01%) |
| Jun 12, 2012 | 73.17 | 73.17 | 73.12 | 73.14 | 1,832,724 | -0.03(-0.05%) |
| Jun 11, 2012 | 73.15 | 73.18 | 73.15 | 73.18 | 1,229,073 | +0.00(+0.00%) |
| Jun 08, 2012 | 73.19 | 73.19 | 73.17 | 73.18 | 1,258,008 | +0.00(+0.00%) |
| Jun 07, 2012 | 73.19 | 73.19 | 73.15 | 73.18 | 3,344,530 | -0.01(-0.01%) |
| Jun 06, 2012 | 73.21 | 73.21 | 73.18 | 73.19 | 1,595,061 | -0.03(-0.04%) |
| Jun 05, 2012 | 73.20 | 73.21 | 73.19 | 73.21 | 1,922,364 | +0.02(+0.02%) |
| Jun 04, 2012 | 73.20 | 73.21 | 73.19 | 73.19 | 6,691,494 | -0.01(-0.01%) |
| Jun 01, 2012 | 73.23 | 73.23 | 73.19 | 73.20 | 2,559,796 | +0.01(+0.01%) |
| May 31, 2012 | 73.20 | 73.20 | 73.16 | 73.20 | 4,313,756 | +0.03(+0.04%) |
| May 30, 2012 | 73.14 | 73.18 | 73.14 | 73.17 | 1,430,693 | +0.03(+0.05%) |
| May 29, 2012 | 73.13 | 73.15 | 73.13 | 73.13 | 1,495,810 | -0.02(-0.02%) |
| May 25, 2012 | 73.14 | 73.15 | 73.12 | 73.15 | 918,216 | +0.03(+0.05%) |
| May 24, 2012 | 73.12 | 73.12 | 73.11 | 73.12 | 744,302 | -0.03(-0.04%) |
| May 23, 2012 | 73.13 | 73.14 | 73.12 | 73.14 | 1,071,374 | +0.03(+0.05%) |
| May 22, 2012 | 73.13 | 73.13 | 73.11 | 73.11 | 1,376,993 | -0.03(-0.04%) |
| May 21, 2012 | 73.13 | 73.13 | 73.11 | 73.13 | 1,101,655 | +0.01(+0.01%) |
| May 18, 2012 | 73.12 | 73.13 | 73.10 | 73.12 | 3,134,778 | +0.01(+0.01%) |
| May 17, 2012 | 73.14 | 73.14 | 73.12 | 73.12 | 2,186,025 | -0.03(-0.05%) |
| May 16, 2012 | 73.14 | 73.15 | 73.13 | 73.15 | 1,369,148 | -0.01(-0.01%) |
| May 15, 2012 | 73.17 | 73.19 | 73.15 | 73.16 | 3,774,131 | -0.01(-0.01%) |
| May 14, 2012 | 73.17 | 73.18 | 73.17 | 73.17 | 922,852 | -0.01(-0.01%) |
| May 11, 2012 | 73.18 | 73.18 | 73.16 | 73.18 | 498,677 | +0.01(+0.01%) |
| May 10, 2012 | 73.16 | 73.18 | 73.15 | 73.17 | 1,236,446 | -0.01(-0.01%) |
| May 09, 2012 | 73.18 | 73.19 | 73.17 | 73.18 | 1,455,060 | -0.01(-0.01%) |
| May 08, 2012 | 73.18 | 73.19 | 73.16 | 73.19 | 1,173,284 | +0.01(+0.01%) |
| May 07, 2012 | 73.18 | 73.19 | 73.17 | 73.18 | 1,517,922 | +0.00(+0.00%) |
| May 04, 2012 | 73.18 | 73.18 | 73.17 | 73.18 | 921,792 | +0.03(+0.04%) |
| May 03, 2012 | 73.15 | 73.17 | 73.14 | 73.15 | 1,011,847 | -0.01(-0.01%) |
| May 02, 2012 | 73.15 | 73.16 | 73.14 | 73.16 | 2,431,798 | +0.01(+0.01%) |
| May 01, 2012 | 73.15 | 73.17 | 73.13 | 73.15 | 9,461,093 | -0.00(-0.00%) |
| Apr 30, 2012 | 73.16 | 73.16 | 73.15 | 73.15 | 744,284 | +0.02(+0.02%) |
| Apr 27, 2012 | 73.16 | 73.16 | 73.14 | 73.14 | 821,526 | -0.02(-0.02%) |
| Apr 26, 2012 | 73.15 | 73.16 | 73.14 | 73.15 | 821,542 | +0.01(+0.01%) |
| Apr 25, 2012 | 73.12 | 73.15 | 73.12 | 73.15 | 1,055,333 | +0.02(+0.02%) |
| Apr 24, 2012 | 73.15 | 73.16 | 73.13 | 73.13 | 1,327,211 | -0.03(-0.04%) |
| Apr 23, 2012 | 73.15 | 73.15 | 73.14 | 73.15 | 855,483 | +0.02(+0.02%) |
| Apr 20, 2012 | 73.13 | 73.14 | 73.11 | 73.14 | 580,881 | +0.00(+0.00%) |
| Apr 19, 2012 | 73.12 | 73.14 | 73.12 | 73.14 | 645,079 | +0.01(+0.01%) |
| Apr 18, 2012 | 73.14 | 73.14 | 73.12 | 73.13 | 541,690 | +0.02(+0.02%) |
| Apr 17, 2012 | 73.12 | 73.13 | 73.10 | 73.11 | 892,405 | +0.00(+0.00%) |
| Apr 16, 2012 | 73.12 | 73.13 | 73.11 | 73.11 | 657,968 | +0.00(+0.00%) |
| Apr 13, 2012 | 73.12 | 73.12 | 73.10 | 73.11 | 3,301,753 | +0.01(+0.01%) |
| Apr 12, 2012 | 73.11 | 73.11 | 73.09 | 73.10 | 976,356 | +0.01(+0.01%) |
| Apr 11, 2012 | 73.08 | 73.10 | 73.08 | 73.09 | 2,654,394 | -0.01(-0.01%) |
| Apr 10, 2012 | 73.07 | 73.10 | 73.06 | 73.10 | 1,183,281 | +0.03(+0.05%) |
| Apr 09, 2012 | 73.04 | 73.07 | 73.04 | 73.07 | 1,037,384 | +0.05(+0.07%) |
| Apr 05, 2012 | 73.01 | 73.02 | 73.00 | 73.02 | 876,174 | +0.03(+0.04%) |
| Apr 04, 2012 | 73.02 | 73.02 | 72.98 | 72.99 | 1,611,622 | +0.02(+0.02%) |
| Apr 03, 2012 | 73.02 | 73.02 | 72.96 | 72.97 | 1,883,719 | -0.05(-0.07%) |
| Apr 02, 2012 | 73.04 | 73.04 | 73.01 | 73.02 | 803,196 | +0.02(+0.02%) |
| Mar 30, 2012 | 73.01 | 73.02 | 73.00 | 73.01 | 1,096,351 | -0.01(-0.01%) |
| Mar 29, 2012 | 73.02 | 73.02 | 73.00 | 73.02 | 853,714 | +0.03(+0.04%) |
| Mar 28, 2012 | 73.01 | 73.02 | 72.99 | 72.99 | 850,730 | -0.02(-0.02%) |
| Mar 27, 2012 | 73.00 | 73.02 | 72.98 | 73.01 | 1,260,123 | +0.03(+0.04%) |
| Mar 26, 2012 | 72.97 | 72.98 | 72.96 | 72.98 | 1,196,028 | +0.02(+0.02%) |
| Mar 23, 2012 | 72.97 | 72.98 | 72.96 | 72.96 | 806,605 | +0.01(+0.01%) |
| Mar 22, 2012 | 72.96 | 72.96 | 72.95 | 72.95 | 970,067 | +0.01(+0.01%) |
| Mar 21, 2012 | 72.93 | 72.95 | 72.91 | 72.95 | 660,864 | +0.04(+0.06%) |
| Mar 20, 2012 | 72.92 | 72.94 | 72.89 | 72.90 | 916,755 | -0.02(-0.02%) |
| Mar 19, 2012 | 72.94 | 72.95 | 72.90 | 72.92 | 2,611,087 | -0.05(-0.07%) |
| Mar 16, 2012 | 72.96 | 72.98 | 72.94 | 72.97 | 3,223,125 | +0.04(+0.06%) |
| Mar 15, 2012 | 72.92 | 72.95 | 72.91 | 72.93 | 4,308,032 | +0.04(+0.06%) |
| Mar 14, 2012 | 72.95 | 72.96 | 72.89 | 72.89 | 1,560,898 | -0.10(-0.14%) |
| Mar 13, 2012 | 73.01 | 73.02 | 72.98 | 72.99 | 1,483,697 | -0.04(-0.06%) |
| Mar 12, 2012 | 73.04 | 73.05 | 73.02 | 73.03 | 879,633 | +0.01(+0.01%) |
| Mar 09, 2012 | 73.04 | 73.05 | 73.02 | 73.02 | 762,732 | +0.00(+0.00%) |
| Mar 08, 2012 | 73.05 | 73.05 | 73.02 | 73.02 | 1,108,826 | -0.03(-0.04%) |
| Mar 07, 2012 | 73.07 | 73.08 | 73.05 | 73.05 | 678,997 | -0.02(-0.02%) |
| Mar 06, 2012 | 73.08 | 73.08 | 73.07 | 73.07 | 2,636,349 | +0.00(+0.00%) |
| Mar 05, 2012 | 73.06 | 73.07 | 73.05 | 73.07 | 1,346,889 | +0.00(+0.00%) |
| Mar 02, 2012 | 73.06 | 73.08 | 73.06 | 73.07 | 1,056,123 | +0.02(+0.02%) |
| Mar 01, 2012 | 73.03 | 73.05 | 73.03 | 73.05 | 1,205,682 | -0.01(-0.02%) |
| Feb 29, 2012 | 73.06 | 73.06 | 73.04 | 73.06 | 758,469 | +0.00(+0.00%) |
| Feb 28, 2012 | 73.06 | 73.08 | 73.05 | 73.06 | 1,135,468 | +0.02(+0.02%) |
| Feb 27, 2012 | 73.06 | 73.07 | 73.05 | 73.05 | 1,225,746 | +0.02(+0.02%) |
| Feb 24, 2012 | 73.05 | 73.05 | 73.03 | 73.03 | 4,273,867 | -0.02(-0.02%) |
| Feb 23, 2012 | 73.04 | 73.06 | 73.04 | 73.05 | 3,861,291 | -0.01(-0.01%) |
| Feb 22, 2012 | 73.04 | 73.05 | 73.03 | 73.05 | 1,854,225 | +0.03(+0.05%) |
| Feb 21, 2012 | 73.05 | 73.05 | 73.02 | 73.02 | 2,258,370 | -0.02(-0.02%) |
| Feb 17, 2012 | 73.05 | 73.06 | 73.04 | 73.04 | 956,479 | -0.02(-0.02%) |
| Feb 16, 2012 | 73.08 | 73.09 | 73.05 | 73.05 | 1,695,219 | -0.03(-0.04%) |
| Feb 15, 2012 | 73.06 | 73.10 | 73.05 | 73.08 | 1,420,752 | +0.01(+0.01%) |
| Feb 14, 2012 | 73.05 | 73.07 | 73.05 | 73.07 | 1,235,623 | +0.02(+0.02%) |
| Feb 13, 2012 | 73.08 | 73.10 | 73.05 | 73.05 | 1,251,884 | -0.04(-0.06%) |
| Feb 10, 2012 | 73.08 | 73.11 | 73.08 | 73.10 | 1,184,672 | +0.02(+0.02%) |
| Feb 09, 2012 | 73.11 | 73.11 | 73.08 | 73.08 | 885,554 | -0.03(-0.05%) |
| Feb 08, 2012 | 73.10 | 73.12 | 73.10 | 73.11 | 1,394,966 | +0.00(+0.00%) |
| Feb 07, 2012 | 73.13 | 73.14 | 73.11 | 73.11 | 2,230,047 | -0.02(-0.02%) |
| Feb 06, 2012 | 73.15 | 73.15 | 73.13 | 73.13 | 2,755,058 | -0.02(-0.02%) |
| Feb 03, 2012 | 73.14 | 73.16 | 73.13 | 73.15 | 2,813,255 | +0.00(+0.00%) |
| Feb 02, 2012 | 73.15 | 73.17 | 73.14 | 73.15 | 3,455,189 | +0.01(+0.01%) |
| Feb 01, 2012 | 73.16 | 73.18 | 73.14 | 73.14 | 6,909,890 | -0.02(-0.03%) |
| Jan 31, 2012 | 73.15 | 73.17 | 73.15 | 73.17 | 3,056,417 | +0.00(+0.00%) |
| Jan 30, 2012 | 73.17 | 73.18 | 73.17 | 73.17 | 2,179,621 | -0.03(-0.04%) |
| Jan 27, 2012 | 73.18 | 73.19 | 73.17 | 73.19 | 1,500,183 | +0.02(+0.02%) |
| Jan 26, 2012 | 73.17 | 73.19 | 73.17 | 73.17 | 1,659,835 | +0.01(+0.01%) |
| Jan 25, 2012 | 73.11 | 73.18 | 73.11 | 73.17 | 2,436,519 | +0.04(+0.06%) |
| Jan 24, 2012 | 73.12 | 73.12 | 73.10 | 73.12 | 4,391,433 | +0.00(+0.00%) |
| Jan 23, 2012 | 73.11 | 73.12 | 73.10 | 73.12 | 3,038,179 | +0.01(+0.01%) |
| Jan 20, 2012 | 73.11 | 73.12 | 73.11 | 73.11 | 3,007,064 | -0.02(-0.02%) |
| Jan 19, 2012 | 73.12 | 73.14 | 73.11 | 73.13 | 2,383,318 | +0.00(+0.00%) |
| Jan 18, 2012 | 73.14 | 73.15 | 73.13 | 73.13 | 1,375,033 | -0.01(-0.01%) |
| Jan 17, 2012 | 73.14 | 73.16 | 73.13 | 73.14 | 2,701,456 | +0.01(+0.01%) |
| Jan 13, 2012 | 73.14 | 73.14 | 73.13 | 73.13 | 1,331,218 | +0.02(+0.02%) |
| Jan 12, 2012 | 73.11 | 73.14 | 73.11 | 73.11 | 2,450,257 | -0.01(-0.01%) |
| Jan 11, 2012 | 73.11 | 73.13 | 73.11 | 73.12 | 2,851,452 | +0.03(+0.04%) |
| Jan 10, 2012 | 73.09 | 73.11 | 73.08 | 73.10 | 940,117 | +0.01(+0.01%) |
| Jan 09, 2012 | 73.10 | 73.10 | 73.08 | 73.09 | 1,428,685 | +0.02(+0.02%) |
| Jan 06, 2012 | 73.08 | 73.41 | 73.06 | 73.07 | 2,390,329 | -0.01(-0.01%) |
| Jan 05, 2012 | 73.06 | 73.09 | 73.06 | 73.08 | 1,830,192 | +0.01(+0.01%) |
| Jan 04, 2012 | 73.07 | 73.08 | 73.06 | 73.07 | 2,042,764 | -0.03(-0.05%) |
| Dec 30, 2011 | 73.07 | 73.11 | 73.06 | 73.11 | 2,708,999 | +0.04(+0.06%) |
| Dec 29, 2011 | 73.04 | 73.07 | 73.04 | 73.06 | 1,746,310 | +0.01(+0.01%) |
| Dec 28, 2011 | 73.02 | 73.06 | 73.02 | 73.05 | 2,881,761 | +0.02(+0.02%) |
| Dec 27, 2011 | 73.02 | 73.04 | 73.02 | 73.04 | 773,239 | -0.03(-0.04%) |
| Dec 23, 2011 | 73.03 | 73.06 | 73.02 | 73.06 | 1,189,878 | +0.01(+0.01%) |
| Dec 21, 2011 | 73.06 | 73.07 | 73.04 | 73.05 | 1,393,797 | -0.03(-0.04%) |
| Dec 20, 2011 | 73.09 | 73.09 | 73.06 | 73.08 | 1,791,409 | -0.02(-0.02%) |
| Dec 19, 2011 | 73.10 | 73.11 | 73.08 | 73.10 | 1,785,471 | -0.01(-0.01%) |
| Dec 16, 2011 | 73.10 | 73.11 | 73.08 | 73.11 | 2,695,116 | +0.03(+0.05%) |
| Dec 15, 2011 | 73.09 | 73.09 | 73.06 | 73.07 | 3,321,118 | -0.01(-0.01%) |
| Dec 14, 2011 | 73.06 | 73.09 | 73.06 | 73.08 | 2,539,572 | -0.02(-0.02%) |
| Dec 13, 2011 | 73.09 | 73.11 | 73.08 | 73.10 | 966,786 | +0.00(+0.00%) |
| Dec 12, 2011 | 73.09 | 73.11 | 73.09 | 73.10 | 2,024,612 | +0.00(+0.00%) |
| Dec 09, 2011 | 73.10 | 73.11 | 73.09 | 73.10 | 1,996,590 | +0.00(+0.00%) |
| Dec 08, 2011 | 73.10 | 73.11 | 73.08 | 73.10 | 2,425,029 | +0.01(+0.01%) |
| Dec 07, 2011 | 73.06 | 73.09 | 73.06 | 73.09 | 1,537,966 | +0.03(+0.04%) |
| Dec 06, 2011 | 73.05 | 73.07 | 73.05 | 73.06 | 945,120 | +0.00(+0.00%) |
| Dec 05, 2011 | 73.05 | 73.07 | 73.05 | 73.06 | 1,568,715 | +0.01(+0.01%) |
| Dec 02, 2011 | 73.06 | 73.06 | 73.04 | 73.05 | 2,058,625 | -0.02(-0.02%) |
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