Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	81.15	81.32	81.07	81.31	4,446,839	+0.14(+0.17%)
Jan 30, 2012	81.09	81.23	81.04	81.17	2,035,378	+0.23(+0.29%)
Jan 27, 2012	80.93	80.99	80.81	80.93	1,062,594	+0.13(+0.16%)
Jan 26, 2012	80.83	80.91	80.78	80.80	1,682,111	+0.16(+0.20%)
Jan 25, 2012	80.52	80.89	80.43	80.64	2,130,007	+0.12(+0.15%)
Jan 24, 2012	80.52	80.53	80.42	80.52	1,081,145	+0.07(+0.08%)
Jan 23, 2012	80.37	80.53	80.37	80.46	1,119,397	-0.07(-0.08%)
Jan 20, 2012	80.77	80.77	80.47	80.52	1,410,184	-0.20(-0.25%)
Jan 19, 2012	80.85	80.88	80.66	80.73	1,409,811	-0.13(-0.16%)
Jan 18, 2012	80.95	81.04	80.83	80.86	1,661,944	-0.10(-0.13%)
Jan 17, 2012	81.04	81.09	80.93	80.96	1,738,428	+0.02(+0.03%)
Jan 13, 2012	80.84	81.02	80.84	80.94	1,044,810	+0.18(+0.23%)
Jan 12, 2012	80.78	80.82	80.66	80.76	1,152,900	-0.07(-0.08%)
Jan 11, 2012	80.63	80.83	80.59	80.83	1,078,706	+0.29(+0.35%)
Jan 10, 2012	80.56	80.66	80.50	80.54	1,368,636	-0.02(-0.03%)
Jan 09, 2012	80.63	80.77	80.54	80.56	1,333,166	-0.07(-0.08%)
Jan 06, 2012	80.56	80.72	80.55	80.63	1,226,241	+0.07(+0.08%)
Jan 05, 2012	80.47	80.58	80.43	80.56	1,169,680	+0.11(+0.14%)
Jan 04, 2012	80.59	80.59	80.37	80.45	1,774,303	-0.27(-0.34%)
Dec 30, 2011	80.83	80.93	80.72	80.72	1,500,000	-0.10(-0.13%)
Dec 29, 2011	80.72	80.86	80.60	80.83	1,345,811	+0.19(+0.24%)
Dec 28, 2011	80.53	80.71	80.47	80.63	1,193,322	+0.14(+0.17%)
Dec 27, 2011	80.32	80.50	80.30	80.50	1,489,400	+0.14(+0.18%)
Dec 23, 2011	80.31	80.39	80.12	80.35	928,500	+0.03(+0.04%)
Dec 21, 2011	80.51	80.54	80.29	80.32	1,270,459	-0.20(-0.25%)
Dec 20, 2011	80.56	80.67	80.50	80.53	3,797,120	-0.11(-0.14%)
Dec 19, 2011	80.56	80.69	80.49	80.64	1,535,028	+0.08(+0.10%)
Dec 16, 2011	80.43	80.61	80.40	80.56	1,614,655	+0.27(+0.34%)
Dec 15, 2011	80.42	80.49	80.22	80.28	5,149,250	-0.17(-0.21%)
Dec 14, 2011	80.26	80.55	80.32	80.45	1,268,390	+0.20(+0.25%)
Dec 13, 2011	80.10	80.36	80.07	80.26	2,005,470	+0.16(+0.20%)
Dec 12, 2011	80.13	80.25	80.09	80.09	1,667,872	+0.02(+0.03%)
Dec 09, 2011	80.10	80.21	79.98	80.07	1,277,149	-0.04(-0.05%)
Dec 08, 2011	80.01	80.21	79.98	80.12	1,678,715	+0.08(+0.10%)
Dec 07, 2011	79.95	80.10	79.83	80.04	943,945	+0.15(+0.18%)
Dec 06, 2011	79.87	79.94	79.68	79.89	1,509,934	-0.07(-0.09%)
Dec 05, 2011	79.78	79.96	79.71	79.96	1,453,157	+0.09(+0.11%)
Dec 02, 2011	79.65	79.94	79.61	79.88	1,253,355	+0.20(+0.26%)
Dec 01, 2011	79.64	79.77	79.49	79.67	2,501,284	+0.03(+0.04%)
Nov 30, 2011	79.80	79.81	79.56	79.64	1,758,261	-0.20(-0.26%)
Nov 29, 2011	79.72	79.88	79.56	79.85	2,360,098	+0.03(+0.04%)
Nov 28, 2011	79.63	79.85	79.54	79.82	2,370,573	-0.01(-0.01%)
Nov 25, 2011	79.94	79.99	79.79	79.82	1,050,328	-0.11(-0.14%)
Nov 23, 2011	79.80	80.05	79.76	79.93	1,188,539	+0.07(+0.09%)
Nov 22, 2011	79.77	79.91	79.68	79.86	1,443,317	+0.06(+0.07%)
Nov 21, 2011	79.92	79.93	79.78	79.80	1,151,974	-0.01(-0.02%)
Nov 18, 2011	79.90	79.90	79.69	79.82	1,106,498	-0.01(-0.02%)
Nov 17, 2011	79.85	79.98	79.73	79.83	2,293,500	-0.04(-0.05%)
Nov 16, 2011	80.08	80.09	79.80	79.88	1,666,010	-0.03(-0.04%)
Nov 15, 2011	79.99	80.04	79.80	79.90	1,081,909	-0.10(-0.13%)
Nov 14, 2011	80.06	80.10	79.91	80.01	1,633,686	+0.07(+0.08%)
Nov 11, 2011	79.95	80.00	79.87	79.94	2,476,677	-0.09(-0.12%)
Nov 10, 2011	80.02	80.21	79.86	80.04	1,796,048	-0.15(-0.19%)
Nov 09, 2011	80.22	80.34	80.11	80.19	1,071,234	+0.14(+0.17%)
Nov 08, 2011	80.06	80.22	79.98	80.05	1,303,665	-0.11(-0.14%)
Nov 07, 2011	80.09	80.34	80.07	80.16	1,023,475	+0.07(+0.08%)
Nov 04, 2011	80.12	80.24	80.06	80.09	2,801,827	-0.02(-0.03%)
Nov 03, 2011	80.07	80.22	80.01	80.12	1,532,622	-0.17(-0.22%)
Nov 02, 2011	80.07	80.34	80.04	80.29	1,005,769	+0.00(+0.00%)

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