Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2011	20.73	20.88	20.49	20.68	6,641,670	+0.79(+3.98%)
Nov 29, 2011	19.72	19.97	19.63	19.89	8,612,148	+0.17(+0.84%)
Nov 28, 2011	19.66	19.80	19.57	19.72	6,248,567	+0.99(+5.26%)
Nov 25, 2011	18.67	18.99	18.67	18.74	2,611,176	-0.29(-1.52%)
Nov 23, 2011	19.33	19.22	18.96	19.03	6,178,152	-0.30(-1.56%)
Nov 22, 2011	19.51	19.56	19.23	19.33	8,470,917	-0.16(-0.82%)
Nov 21, 2011	19.54	19.58	19.32	19.49	6,055,979	-0.24(-1.20%)
Nov 18, 2011	19.88	19.95	19.69	19.72	4,077,193	+0.07(+0.33%)
Nov 17, 2011	20.02	20.04	19.49	19.66	5,711,247	-0.11(-0.57%)
Nov 16, 2011	19.89	20.05	19.75	19.77	4,385,732	-0.12(-0.59%)
Nov 15, 2011	19.79	20.03	19.74	19.89	4,425,010	-0.05(-0.24%)
Nov 14, 2011	19.92	20.02	19.79	19.94	4,005,313	-0.25(-1.23%)
Nov 11, 2011	19.91	20.35	19.91	20.18	5,701,367	+0.36(+1.82%)
Nov 10, 2011	19.76	19.87	19.52	19.82	7,433,376	+0.41(+2.13%)
Nov 09, 2011	19.71	19.78	19.32	19.41	9,505,469	-1.09(-5.30%)
Nov 08, 2011	20.36	20.56	20.18	20.50	4,412,294	+0.48(+2.39%)
Nov 07, 2011	19.98	20.16	19.82	20.02	9,321,279	-0.14(-0.67%)
Nov 04, 2011	20.56	20.61	20.05	20.15	5,388,356	-0.66(-3.18%)
Nov 03, 2011	20.49	20.91	20.22	20.82	5,600,494	+0.63(+3.10%)
Nov 02, 2011	20.20	20.54	20.14	20.19	12,613,591	+0.10(+0.50%)
Nov 01, 2011	20.17	20.41	20.02	20.09	14,418,342	-1.03(-4.87%)
Oct 31, 2011	21.73	21.87	21.12	21.12	6,309,498	-0.88(-4.00%)
Oct 28, 2011	22.06	22.12	21.88	22.00	3,588,210	-0.14(-0.64%)
Oct 27, 2011	22.03	22.25	21.70	22.14	6,687,514	+1.22(+5.82%)
Oct 26, 2011	20.98	20.99	20.52	20.92	3,521,362	+0.38(+1.87%)
Oct 25, 2011	20.81	20.82	20.51	20.54	5,572,728	-0.73(-3.44%)
Oct 24, 2011	20.71	21.27	20.70	21.27	3,679,655	+0.22(+1.07%)
Oct 21, 2011	20.76	21.06	20.72	21.05	3,814,152	+0.58(+2.83%)
Oct 20, 2011	20.70	20.74	20.19	20.47	5,208,788	+0.11(+0.55%)
Oct 19, 2011	20.44	20.68	20.32	20.36	7,132,375	-0.23(-1.12%)
Oct 18, 2011	20.23	20.73	20.02	20.59	5,115,547	+0.25(+1.25%)
Oct 17, 2011	20.71	20.75	20.28	20.33	5,449,129	-0.59(-2.82%)
Oct 14, 2011	21.00	21.03	20.75	20.92	4,476,404	+0.13(+0.62%)
Oct 13, 2011	20.56	20.79	20.34	20.79	7,017,210	+0.42(+2.06%)
Oct 12, 2011	20.39	20.59	20.24	20.37	5,228,806	+0.22(+1.08%)
Oct 11, 2011	19.99	20.20	19.90	20.15	3,886,154	-0.07(-0.32%)
Oct 10, 2011	20.14	20.28	20.05	20.22	5,574,413	+0.79(+4.07%)
Oct 07, 2011	19.64	19.68	19.40	19.43	6,286,397	-0.27(-1.35%)
Oct 06, 2011	19.53	19.70	19.52	19.69	5,440,044	+0.31(+1.62%)
Oct 05, 2011	19.11	19.39	18.92	19.38	8,057,843	-0.01(-0.06%)
Oct 04, 2011	19.01	19.40	18.68	19.39	10,875,490	+0.56(+2.98%)
Oct 03, 2011	19.20	19.41	18.83	18.83	5,907,457	-0.54(-2.81%)
Sep 30, 2011	19.59	19.70	19.38	19.38	5,037,193	-0.67(-3.33%)
Sep 29, 2011	20.23	20.25	19.72	20.04	6,229,786	+0.52(+2.66%)
Sep 28, 2011	20.00	20.11	19.48	19.52	4,786,631	-0.18(-0.90%)
Sep 27, 2011	19.61	20.00	19.53	19.70	8,499,101	+0.44(+2.27%)
Sep 26, 2011	19.10	19.29	18.82	19.26	5,652,522	+0.42(+2.23%)
Sep 23, 2011	18.51	18.87	18.44	18.84	7,387,073	+0.24(+1.27%)
Sep 22, 2011	18.35	18.70	18.31	18.61	10,993,484	-0.42(-2.20%)
Sep 21, 2011	19.55	19.63	19.03	19.03	6,888,218	-0.61(-3.13%)
Sep 20, 2011	19.67	19.92	19.45	19.64	6,286,038	+0.21(+1.06%)
Sep 19, 2011	19.06	19.50	19.00	19.43	11,881,727	-0.39(-1.97%)
Sep 16, 2011	19.95	20.02	19.51	19.82	5,520,463	-0.02(-0.09%)
Sep 15, 2011	19.92	19.96	19.67	19.84	6,033,134	+0.43(+2.22%)
Sep 14, 2011	19.21	19.56	18.78	19.41	8,656,629	+0.36(+1.89%)
Sep 13, 2011	18.79	19.12	18.76	19.05	8,807,291	+0.04(+0.19%)
Sep 12, 2011	18.69	19.03	18.61	19.01	14,579,335	-0.30(-1.56%)
Sep 09, 2011	19.59	19.75	19.28	19.32	10,980,152	-0.83(-4.11%)
Sep 08, 2011	20.39	20.66	20.09	20.14	8,540,118	-0.77(-3.70%)
Sep 07, 2011	20.66	20.92	20.56	20.92	4,833,403	+0.40(+1.93%)
Sep 06, 2011	20.20	20.56	20.09	20.52	4,755,172	-0.18(-0.88%)
Sep 02, 2011	20.92	21.01	20.64	20.70	6,368,455	-0.76(-3.55%)
Sep 01, 2011	21.64	21.90	21.43	21.47	4,507,197	-0.14(-0.63%)
Aug 31, 2011	21.53	21.73	21.42	21.60	5,247,701	+0.29(+1.36%)
Aug 30, 2011	21.09	21.42	20.94	21.31	4,784,132	-0.23(-1.07%)
Aug 29, 2011	21.38	21.56	21.38	21.54	3,450,070	+0.34(+1.62%)
Aug 26, 2011	20.79	21.28	20.52	21.20	4,667,674	+0.11(+0.50%)
Aug 25, 2011	21.41	21.51	20.99	21.09	4,356,542	-0.55(-2.54%)
Aug 24, 2011	21.53	21.80	21.42	21.64	4,445,804	-0.02(-0.08%)
Aug 23, 2011	21.18	21.66	21.05	21.66	8,970,192	+0.99(+4.80%)
Aug 22, 2011	21.21	21.21	20.62	20.67	6,780,684	+0.53(+2.64%)
Aug 19, 2011	20.11	20.59	20.09	20.14	6,522,418	-0.34(-1.64%)
Aug 18, 2011	20.82	20.82	20.31	20.47	10,438,065	-0.79(-3.72%)
Aug 17, 2011	21.38	21.53	21.05	21.27	8,748,833	+0.61(+2.97%)
Aug 16, 2011	20.59	20.89	20.44	20.65	7,423,230	-0.15(-0.71%)
Aug 15, 2011	20.68	20.82	20.58	20.80	6,239,212	+0.47(+2.33%)
Aug 12, 2011	20.23	20.50	19.94	20.33	10,519,638	+0.91(+4.69%)
Aug 11, 2011	18.30	19.59	18.30	19.42	13,265,839	+0.77(+4.12%)
Aug 10, 2011	19.59	19.67	18.49	18.65	25,568,838	-1.50(-7.45%)
Aug 09, 2011	20.36	20.21	19.01	20.15	13,430,010	+0.64(+3.27%)
Aug 08, 2011	20.36	20.60	19.49	19.51	11,700,221	-1.61(-7.63%)
Aug 05, 2011	21.37	21.40	20.41	21.12	14,297,314	+0.30(+1.45%)
Aug 04, 2011	21.60	21.71	20.82	20.82	14,561,655	-1.35(-6.08%)
Aug 03, 2011	22.17	22.21	21.76	22.17	7,756,126	+0.35(+1.60%)
Aug 02, 2011	22.22	22.42	21.81	21.82	5,413,074	-0.60(-2.69%)
Aug 01, 2011	23.04	23.06	22.09	22.42	7,274,036	-0.47(-2.04%)
Jul 29, 2011	22.94	23.29	22.82	22.89	4,815,852	-0.13(-0.56%)
Jul 28, 2011	22.84	23.20	22.77	23.02	4,646,259	+0.44(+1.96%)
Jul 27, 2011	23.24	23.29	22.57	22.58	4,946,389	-0.90(-3.82%)
Jul 26, 2011	23.56	23.60	23.43	23.47	4,516,464	+0.00(+0.00%)
Jul 25, 2011	23.63	23.64	23.41	23.47	3,914,431	+0.04(+0.15%)
Jul 22, 2011	23.49	23.54	23.42	23.44	4,397,938	-0.01(-0.05%)
Jul 21, 2011	23.33	23.55	23.22	23.45	6,223,558	+0.35(+1.51%)
Jul 20, 2011	23.01	23.25	22.94	23.10	8,453,683	+0.17(+0.72%)
Jul 19, 2011	22.68	22.99	22.68	22.94	5,948,990	+0.28(+1.23%)
Jul 18, 2011	22.72	22.80	22.43	22.66	6,478,787	-0.50(-2.17%)
Jul 15, 2011	23.18	23.26	23.00	23.16	8,790,458	+0.31(+1.34%)
Jul 14, 2011	23.00	23.11	22.76	22.85	8,592,715	+0.01(+0.05%)
Jul 13, 2011	22.59	23.07	22.58	22.84	11,592,486	+0.34(+1.52%)
Jul 12, 2011	22.21	22.74	22.21	22.50	10,062,484	-0.16(-0.70%)
Jul 11, 2011	22.62	22.80	22.50	22.66	13,003,966	-0.83(-3.55%)
Jul 08, 2011	23.52	23.69	23.36	23.49	5,939,048	+0.08(+0.33%)
Jul 07, 2011	23.87	23.97	23.23	23.42	13,853,133	-0.26(-1.10%)
Jul 06, 2011	23.55	23.76	23.49	23.68	5,104,403	+0.00(+0.00%)
Jul 05, 2011	23.62	23.78	23.57	23.68	4,361,615	-0.19(-0.79%)
Jul 01, 2011	23.65	23.95	23.58	23.86	5,224,869	+0.14(+0.57%)
Jun 30, 2011	23.37	23.77	23.34	23.73	4,857,894	+0.54(+2.32%)
Jun 29, 2011	23.13	23.25	23.02	23.19	3,636,613	+0.35(+1.55%)
Jun 28, 2011	22.67	22.92	22.62	22.84	3,780,867	+0.59(+2.66%)
Jun 27, 2011	21.99	22.30	21.96	22.25	3,719,247	+0.29(+1.32%)
Jun 24, 2011	22.26	22.26	21.88	21.96	2,962,972	-0.30(-1.35%)
Jun 23, 2011	21.90	22.27	21.71	22.26	6,858,980	-0.11(-0.50%)
Jun 22, 2011	22.43	22.61	22.36	22.37	4,723,946	+0.05(+0.24%)
Jun 21, 2011	22.20	22.42	22.13	22.32	2,980,651	+0.27(+1.23%)
Jun 20, 2011	22.07	22.12	22.00	22.04	3,342,393	-0.01(-0.03%)
Jun 17, 2011	22.13	22.23	21.99	22.05	7,191,615	+0.45(+2.08%)
Jun 16, 2011	21.51	21.71	21.48	21.60	8,342,583	-0.09(-0.41%)
Jun 15, 2011	21.99	22.06	21.54	21.69	14,910,187	-0.99(-4.35%)
Jun 14, 2011	22.46	22.79	22.45	22.68	4,881,618	+0.52(+2.35%)
Jun 13, 2011	22.11	22.27	22.05	22.16	3,272,672	+0.27(+1.21%)
Jun 10, 2011	22.22	22.25	21.80	21.89	6,583,953	-0.56(-2.47%)
Jun 09, 2011	22.48	22.67	22.40	22.45	4,253,251	-0.06(-0.26%)
Jun 08, 2011	22.71	22.74	22.45	22.51	5,173,702	-0.12(-0.52%)
Jun 07, 2011	22.84	22.84	22.61	22.62	2,912,644	+0.17(+0.74%)
Jun 06, 2011	22.62	22.69	22.43	22.46	2,583,585	-0.21(-0.91%)
Jun 03, 2011	22.41	22.78	22.37	22.67	4,037,955	+0.16(+0.71%)
May 24, 2011	22.46	22.63	22.43	22.51	2,821,752	+0.27(+1.22%)
May 23, 2011	22.13	22.33	22.13	22.23	8,546,863	-0.38(-1.70%)
May 20, 2011	22.90	22.97	22.59	22.62	5,076,336	-0.56(-2.40%)
May 19, 2011	22.96	23.20	22.94	23.17	5,695,745	+0.38(+1.66%)
May 18, 2011	22.37	22.90	22.31	22.80	8,563,290	+0.39(+1.74%)
May 17, 2011	22.25	22.41	22.09	22.41	5,029,604	-0.12(-0.55%)
May 16, 2011	22.52	22.69	22.42	22.53	10,068,798	+0.02(+0.10%)
May 13, 2011	22.64	22.66	22.28	22.51	7,484,092	-0.10(-0.44%)
May 12, 2011	22.30	22.71	22.19	22.61	7,569,125	+0.08(+0.37%)
May 11, 2011	22.45	22.58	22.38	22.52	8,952,782	+0.24(+1.07%)
May 10, 2011	22.38	22.38	22.23	22.29	3,899,750	-0.11(-0.48%)
May 09, 2011	22.27	22.42	22.15	22.39	4,564,066	+0.07(+0.30%)
May 06, 2011	22.53	22.58	22.23	22.32	7,109,798	+0.14(+0.64%)
May 05, 2011	22.32	22.41	22.14	22.18	8,119,462	-0.72(-3.13%)
May 04, 2011	22.94	23.00	22.66	22.90	6,299,943	+0.30(+1.32%)
May 03, 2011	22.44	22.70	22.44	22.60	4,433,774	+0.08(+0.38%)
May 02, 2011	22.52	22.52	22.47	22.52	3,532,966	+0.21(+0.96%)
Apr 29, 2011	22.41	22.47	22.27	22.30	2,772,943	-0.02(-0.08%)
Apr 28, 2011	22.10	22.34	22.10	22.32	2,963,908	+0.14(+0.64%)
Apr 27, 2011	22.01	22.21	21.90	22.18	4,780,102	+0.23(+1.05%)
Apr 26, 2011	21.80	21.97	21.75	21.95	3,797,664	+0.29(+1.36%)
Apr 25, 2011	21.65	21.72	21.48	21.65	4,053,558	+0.20(+0.92%)
Apr 21, 2011	21.66	21.70	21.41	21.46	4,400,857	-0.02(-0.11%)
Apr 20, 2011	21.41	21.51	21.36	21.48	6,268,413	+0.63(+3.03%)
Apr 19, 2011	20.67	20.88	20.61	20.85	5,933,074	+0.19(+0.93%)
Apr 18, 2011	20.47	20.71	20.28	20.65	8,682,065	-0.52(-2.45%)
Apr 15, 2011	21.09	21.24	21.00	21.17	3,945,511	+0.16(+0.78%)
Apr 14, 2011	20.72	21.11	20.69	21.01	5,452,603	+0.08(+0.38%)
Apr 13, 2011	21.05	21.11	20.92	20.93	4,031,829	+0.02(+0.11%)
Apr 12, 2011	20.98	21.08	20.87	20.91	10,710,297	-0.04(-0.19%)
Apr 11, 2011	20.86	21.10	20.86	20.95	7,195,515	+0.37(+1.81%)
Apr 08, 2011	20.63	20.64	20.48	20.58	3,361,247	+0.17(+0.86%)
Apr 07, 2011	20.32	20.54	20.31	20.40	4,341,301	-0.11(-0.52%)
Apr 06, 2011	20.37	20.59	20.35	20.51	3,450,074	+0.16(+0.80%)
Apr 05, 2011	20.07	20.36	20.04	20.34	13,589,286	+0.16(+0.78%)
Apr 04, 2011	20.23	20.26	20.08	20.19	2,431,118	+0.05(+0.25%)
Apr 01, 2011	20.01	20.16	19.94	20.14	2,804,404	+0.26(+1.31%)
Mar 31, 2011	19.88	19.98	19.79	19.88	5,776,764	+0.05(+0.26%)
Mar 30, 2011	19.73	19.89	19.68	19.82	5,500,804	+0.27(+1.36%)
Mar 29, 2011	19.34	19.58	19.32	19.56	4,785,831	+0.03(+0.14%)
Mar 28, 2011	19.49	19.57	19.37	19.53	4,635,804	+0.01(+0.03%)
Mar 25, 2011	19.45	19.66	19.41	19.53	8,748,131	+0.08(+0.41%)
Mar 24, 2011	19.24	19.48	19.19	19.45	3,364,038	+0.33(+1.74%)
Mar 23, 2011	18.98	19.17	18.90	19.11	5,447,074	+0.00(+0.00%)
Mar 22, 2011	19.23	19.25	18.98	19.11	2,505,075	-0.07(-0.38%)
Mar 21, 2011	19.17	19.23	19.11	19.19	4,785,741	+0.36(+1.89%)
Mar 18, 2011	19.06	19.06	18.71	18.83	3,053,378	+0.17(+0.94%)
Mar 17, 2011	18.66	18.82	18.56	18.66	5,556,393	+0.59(+3.28%)
Mar 16, 2011	18.46	18.59	17.93	18.06	10,255,129	-0.52(-2.79%)
Mar 15, 2011	18.49	18.65	18.41	18.58	9,095,452	-0.66(-3.43%)
Mar 14, 2011	19.12	19.27	19.02	19.24	4,747,904	-0.24(-1.25%)
Mar 11, 2011	19.44	19.53	19.29	19.49	8,016,280	-0.27(-1.34%)
Mar 10, 2011	19.72	19.81	19.64	19.75	4,993,242	-0.07(-0.34%)
Mar 09, 2011	19.88	19.90	19.75	19.82	3,680,325	-0.02(-0.09%)
Mar 08, 2011	19.62	19.91	19.55	19.84	3,381,301	-0.09(-0.45%)
Mar 07, 2011	20.09	20.15	19.86	19.93	5,146,139	-0.13(-0.65%)
Mar 04, 2011	20.41	20.43	19.99	20.06	4,886,086	-0.37(-1.82%)
Mar 03, 2011	20.34	20.48	20.14	20.43	18,762,408	+0.42(+2.09%)
Mar 02, 2011	19.97	20.18	19.97	20.01	13,146,740	+0.14(+0.68%)
Mar 01, 2011	19.81	20.12	19.63	19.88	30,944,770	+0.36(+1.85%)
Feb 28, 2011	19.50	19.62	19.41	19.51	2,952,866	+0.23(+1.17%)
Feb 25, 2011	19.25	19.33	19.20	19.29	1,951,558	+0.02(+0.09%)
Feb 24, 2011	19.17	19.31	19.10	19.27	3,760,330	+0.16(+0.83%)
Feb 23, 2011	19.05	19.20	18.96	19.11	5,405,851	+0.16(+0.86%)
Feb 22, 2011	19.10	19.12	18.85	18.95	4,981,763	-0.66(-3.37%)
Feb 18, 2011	19.49	19.67	19.42	19.61	3,673,492	-0.12(-0.63%)
Feb 17, 2011	19.64	19.78	19.62	19.73	3,058,313	+0.01(+0.06%)
Feb 16, 2011	19.58	19.78	19.47	19.72	7,614,636	+0.26(+1.33%)
Feb 15, 2011	19.06	19.60	18.96	19.46	10,286,540	+0.37(+1.92%)
Feb 14, 2011	18.99	19.15	18.94	19.10	2,864,460	-0.01(-0.03%)
Feb 11, 2011	19.02	19.15	19.00	19.10	4,189,682	-0.33(-1.69%)
Feb 10, 2011	19.20	19.43	19.13	19.43	3,195,784	-0.15(-0.75%)
Feb 09, 2011	19.46	19.60	19.40	19.58	4,081,531	-0.16(-0.83%)
Feb 08, 2011	19.71	19.81	19.60	19.74	4,760,151	+0.21(+1.10%)
Feb 07, 2011	19.28	19.53	19.24	19.53	5,263,038	+0.11(+0.58%)
Feb 04, 2011	19.21	19.42	19.13	19.41	2,742,864	+0.04(+0.20%)
Feb 03, 2011	19.29	19.41	19.09	19.37	5,602,251	-0.38(-1.91%)
Feb 02, 2011	19.71	19.80	19.71	19.75	3,077,866	-0.24(-1.21%)
Feb 01, 2011	19.61	20.02	19.59	19.99	6,130,058	+0.58(+2.96%)
Jan 31, 2011	19.24	19.42	19.10	19.42	4,804,588	+0.60(+3.18%)
Jan 28, 2011	19.09	19.19	18.76	18.82	7,285,856	-1.07(-5.39%)
Jan 27, 2011	19.80	19.99	19.77	19.89	2,798,605	+0.03(+0.17%)
Jan 26, 2011	19.81	19.90	19.65	19.86	7,322,679	+0.29(+1.47%)
Jan 25, 2011	19.37	19.65	19.36	19.57	3,022,846	-0.06(-0.29%)
Jan 24, 2011	19.40	19.69	19.40	19.63	3,800,481	+0.14(+0.72%)
Jan 21, 2011	19.44	19.53	19.32	19.49	3,224,686	+0.25(+1.32%)
Jan 20, 2011	19.14	19.30	18.98	19.23	3,593,922	-0.01(-0.06%)
Jan 19, 2011	19.38	19.39	19.19	19.24	2,232,003	+0.02(+0.12%)
Jan 18, 2011	19.19	19.32	19.14	19.22	2,715,380	-0.16(-0.84%)
Jan 14, 2011	19.27	19.40	19.15	19.38	9,849,594	-0.05(-0.23%)
Jan 13, 2011	19.44	19.54	19.30	19.43	4,888,866	+0.41(+2.14%)
Jan 12, 2011	18.74	19.07	18.69	19.02	6,451,913	+0.90(+4.98%)
Jan 11, 2011	17.98	18.14	17.90	18.12	2,510,207	+0.14(+0.75%)
Jan 10, 2011	17.84	18.00	17.75	17.98	3,801,566	-0.20(-1.09%)
Jan 07, 2011	18.40	18.41	18.06	18.18	3,399,961	-0.29(-1.56%)
Jan 06, 2011	18.79	18.81	18.39	18.47	3,150,115	-0.09(-0.49%)
Jan 05, 2011	18.36	18.60	18.36	18.56	2,540,254	-0.12(-0.63%)
Jan 04, 2011	18.92	18.93	18.58	18.68	2,776,955	+0.16(+0.85%)
Jan 03, 2011	18.44	18.68	18.44	18.52	2,431,242	+0.33(+1.83%)
Dec 31, 2010	18.16	18.40	18.08	18.19	3,258,670	-0.03(-0.19%)
Dec 30, 2010	18.23	18.32	18.13	18.22	1,717,215	-0.05(-0.25%)
Dec 29, 2010	18.34	18.36	18.22	18.27	1,739,569	+0.21(+1.16%)
Dec 28, 2010	18.21	18.21	18.03	18.06	2,233,236	-0.08(-0.44%)
Dec 27, 2010	18.04	18.17	18.04	18.14	1,796,506	-0.20(-1.11%)
Dec 23, 2010	18.24	18.39	18.23	18.34	1,618,178	-0.01(-0.06%)
Dec 22, 2010	18.35	18.38	18.27	18.35	2,369,010	+0.12(+0.68%)
Dec 21, 2010	18.28	18.30	18.20	18.23	1,777,608	+0.06(+0.31%)
Dec 20, 2010	18.27	18.31	18.12	18.17	2,274,819	-0.03(-0.15%)
Dec 17, 2010	18.27	18.27	18.05	18.20	4,079,922	-0.21(-1.13%)
Dec 16, 2010	18.33	18.49	18.31	18.41	7,124,543	-0.10(-0.52%)
Dec 15, 2010	18.67	18.79	18.46	18.50	2,470,322	-0.21(-1.12%)
Dec 14, 2010	18.72	18.80	18.66	18.71	1,834,104	+0.16(+0.88%)
Dec 13, 2010	18.47	18.65	18.41	18.55	2,559,101	+0.09(+0.49%)
Dec 10, 2010	18.40	18.48	18.31	18.46	2,502,302	+0.01(+0.06%)
Dec 09, 2010	18.49	18.50	18.30	18.45	2,183,825	+0.03(+0.15%)
Dec 08, 2010	18.36	18.48	18.30	18.42	2,894,070	+0.27(+1.49%)
Dec 07, 2010	18.43	18.44	18.14	18.15	3,554,450	+0.13(+0.72%)
Dec 06, 2010	17.93	18.08	17.89	18.02	5,147,468	-0.11(-0.59%)
Dec 03, 2010	17.93	18.19	17.92	18.13	4,114,264	+0.25(+1.39%)
Dec 02, 2010	17.30	17.93	17.29	17.88	6,493,153	+0.12(+0.70%)

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