Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	23.22	23.22	22.95	23.07	19,818,496	+0.02(+0.10%)
Jan 30, 2012	22.98	23.08	22.90	23.04	15,503,486	+0.01(+0.03%)
Jan 27, 2012	23.20	23.27	22.96	23.04	24,629,584	-0.19(-0.84%)
Jan 26, 2012	23.44	23.44	23.14	23.23	21,473,836	-0.14(-0.61%)
Jan 25, 2012	23.20	23.40	23.07	23.37	21,190,370	+0.18(+0.78%)
Jan 24, 2012	23.28	23.40	23.13	23.19	21,593,116	-0.22(-0.92%)
Jan 23, 2012	23.23	23.44	23.20	23.41	20,205,416	+0.15(+0.65%)
Jan 20, 2012	23.07	23.27	23.02	23.26	28,064,672	+0.22(+0.95%)
Jan 19, 2012	23.11	23.14	22.97	23.04	19,827,092	-0.05(-0.21%)
Jan 18, 2012	23.04	23.17	22.95	23.09	19,442,730	+0.08(+0.36%)
Jan 17, 2012	23.14	23.19	22.99	23.00	22,802,086	+0.12(+0.54%)
Jan 13, 2012	23.00	23.03	22.74	22.88	29,266,394	-0.20(-0.86%)
Jan 12, 2012	23.37	23.40	23.00	23.08	22,305,764	-0.17(-0.72%)
Jan 11, 2012	23.35	23.49	23.07	23.25	34,121,784	-0.44(-1.85%)
Jan 10, 2012	23.73	23.75	23.61	23.68	18,977,620	+0.14(+0.59%)
Jan 09, 2012	23.57	23.63	23.50	23.54	15,403,553	+0.00(+0.00%)
Jan 06, 2012	23.73	23.78	23.44	23.54	19,976,150	-0.15(-0.63%)
Jan 05, 2012	23.83	23.86	23.69	23.69	20,914,644	-0.11(-0.47%)
Jan 04, 2012	23.88	23.93	23.74	23.81	20,843,620	-0.09(-0.39%)
Dec 30, 2011	23.98	24.00	23.90	23.90	11,509,585	-0.06(-0.27%)
Dec 29, 2011	23.77	23.97	23.74	23.96	12,694,368	+0.22(+0.94%)
Dec 28, 2011	23.85	23.93	23.70	23.74	11,861,703	-0.13(-0.53%)
Dec 27, 2011	23.84	23.98	23.84	23.87	14,567,266	-0.02(-0.09%)
Dec 23, 2011	23.65	23.90	23.64	23.89	13,548,060	+0.13(+0.53%)
Dec 21, 2011	23.40	23.84	23.34	23.76	27,376,434	+0.40(+1.71%)
Dec 20, 2011	23.19	23.45	23.17	23.36	23,145,622	+0.35(+1.53%)
Dec 19, 2011	23.04	23.18	22.96	23.01	17,217,584	-0.02(-0.10%)
Dec 16, 2011	23.05	23.13	22.97	23.04	35,069,200	+0.19(+0.82%)
Dec 15, 2011	22.85	23.02	22.81	22.85	19,569,452	+0.22(+0.95%)
Dec 14, 2011	22.63	22.85	22.57	22.63	23,073,022	-0.08(-0.33%)
Dec 13, 2011	22.92	22.98	22.64	22.71	20,897,988	-0.14(-0.61%)
Dec 12, 2011	22.97	23.06	22.65	22.85	19,586,274	-0.23(-1.01%)
Dec 09, 2011	22.92	23.14	22.86	23.08	26,785,902	+0.29(+1.26%)
Dec 08, 2011	22.78	22.97	22.73	22.79	23,581,504	-0.02(-0.07%)
Dec 07, 2011	22.73	22.91	22.61	22.81	24,640,476	+0.03(+0.15%)
Dec 06, 2011	22.71	22.89	22.59	22.78	24,491,080	+0.13(+0.56%)
Dec 05, 2011	22.86	22.95	22.50	22.65	26,283,408	-0.02(-0.11%)
Dec 02, 2011	23.04	23.07	22.60	22.67	30,990,376	-0.15(-0.67%)
Dec 01, 2011	22.89	23.08	22.78	22.83	22,585,428	-0.14(-0.59%)
Nov 30, 2011	23.00	23.21	22.79	22.96	37,018,932	+0.36(+1.57%)
Nov 29, 2011	22.26	22.71	22.21	22.61	31,700,872	+0.51(+2.30%)
Nov 28, 2011	22.13	22.30	21.96	22.10	31,432,914	+0.15(+0.66%)
Nov 25, 2011	22.09	22.16	21.95	21.95	11,165,582	-0.04(-0.20%)
Nov 23, 2011	22.20	22.21	21.97	22.00	20,774,650	-0.37(-1.67%)
Nov 22, 2011	22.25	22.50	22.22	22.37	17,380,326	+0.01(+0.03%)
Nov 21, 2011	22.61	22.68	22.17	22.36	27,407,710	-0.49(-2.14%)
Nov 18, 2011	22.79	22.96	22.69	22.85	27,555,384	+0.26(+1.16%)
Nov 17, 2011	22.70	22.85	22.41	22.59	25,754,878	-0.13(-0.58%)
Nov 16, 2011	22.95	22.99	22.69	22.72	26,218,004	-0.34(-1.46%)
Nov 15, 2011	22.98	23.21	22.88	23.06	18,014,440	+0.07(+0.31%)
Nov 14, 2011	22.99	23.05	22.86	22.99	13,901,934	-0.11(-0.48%)
Nov 11, 2011	23.05	23.27	23.04	23.10	18,995,232	+0.25(+1.08%)
Nov 10, 2011	22.93	22.97	22.69	22.85	23,888,594	+0.12(+0.54%)
Nov 09, 2011	23.01	23.06	22.67	22.73	26,895,140	-0.55(-2.36%)
Nov 08, 2011	23.16	23.30	22.99	23.28	17,787,216	+0.15(+0.65%)
Nov 07, 2011	22.94	23.15	22.82	23.13	18,451,034	+0.15(+0.63%)
Nov 04, 2011	23.05	23.11	22.82	22.98	22,378,372	-0.29(-1.27%)
Nov 03, 2011	23.09	23.34	23.06	23.28	25,601,598	+0.30(+1.30%)
Nov 02, 2011	22.86	23.08	22.84	22.98	21,436,316	+0.25(+1.09%)
Nov 01, 2011	22.76	22.89	22.65	22.73	34,936,400	-0.43(-1.87%)
Oct 31, 2011	23.28	23.42	23.16	23.17	28,011,860	-0.21(-0.89%)
Oct 28, 2011	23.24	23.39	23.19	23.37	25,519,178	+0.12(+0.53%)
Oct 27, 2011	23.37	23.43	23.09	23.25	39,376,240	+0.37(+1.63%)
Oct 26, 2011	22.82	22.90	22.52	22.88	23,652,260	+0.18(+0.78%)
Oct 25, 2011	23.03	23.04	22.65	22.70	20,978,404	-0.31(-1.36%)
Oct 24, 2011	23.19	23.28	22.93	23.02	20,066,260	-0.11(-0.47%)
Oct 21, 2011	23.04	23.17	22.88	23.12	34,134,724	+0.36(+1.59%)
Oct 20, 2011	22.89	22.92	22.58	22.76	19,643,916	+0.03(+0.13%)
Oct 19, 2011	22.72	23.00	22.68	22.73	22,690,722	+0.10(+0.43%)
Oct 18, 2011	22.80	22.89	22.52	22.63	34,870,100	-0.09(-0.39%)
Oct 17, 2011	23.00	23.01	22.66	22.72	29,832,198	-0.29(-1.25%)
Oct 14, 2011	23.13	23.13	22.84	23.01	19,915,428	+0.15(+0.67%)
Oct 13, 2011	22.84	22.92	22.68	22.86	19,032,922	-0.03(-0.12%)
Oct 12, 2011	22.80	23.05	22.65	22.88	25,876,382	+0.23(+1.02%)
Oct 11, 2011	22.63	22.79	22.58	22.65	16,439,036	-0.03(-0.15%)
Oct 10, 2011	22.57	22.70	22.39	22.69	18,215,954	+0.34(+1.52%)
Oct 07, 2011	22.55	22.55	22.17	22.35	27,805,222	+0.17(+0.78%)
Oct 06, 2011	22.09	22.19	21.86	22.17	37,164,524	-0.05(-0.21%)
Oct 05, 2011	22.20	22.25	21.89	22.22	33,968,392	+0.10(+0.46%)
Oct 04, 2011	21.99	22.19	21.48	22.12	45,441,488	-0.06(-0.29%)
Oct 03, 2011	22.28	22.91	22.08	22.18	56,691,604	-0.73(-3.17%)
Sep 30, 2011	23.21	23.43	22.91	22.91	36,903,420	-0.51(-2.16%)
Sep 29, 2011	23.37	23.62	23.12	23.42	31,513,278	+0.34(+1.45%)
Sep 28, 2011	23.68	23.79	23.02	23.08	28,062,822	-0.51(-2.17%)
Sep 27, 2011	23.78	23.88	23.49	23.59	32,805,742	+0.27(+1.18%)
Sep 26, 2011	23.06	23.36	22.94	23.32	35,399,156	+0.45(+1.99%)
Sep 23, 2011	22.84	22.96	22.68	22.86	35,806,540	-0.14(-0.59%)
Sep 22, 2011	22.85	23.11	22.59	23.00	53,583,464	-0.50(-2.11%)
Sep 21, 2011	24.03	24.10	23.49	23.49	34,695,608	-0.46(-1.94%)
Sep 20, 2011	24.01	24.24	23.91	23.96	27,002,476	+0.05(+0.23%)
Sep 19, 2011	23.76	23.97	23.72	23.90	42,127,344	-0.25(-1.04%)
Sep 16, 2011	24.21	24.31	24.08	24.15	51,049,040	+0.07(+0.30%)
Sep 15, 2011	23.71	24.08	23.69	24.08	31,237,918	+0.42(+1.79%)
Sep 14, 2011	23.51	23.91	23.24	23.66	32,769,722	+0.23(+0.97%)
Sep 13, 2011	23.38	23.51	23.26	23.43	31,585,542	+0.06(+0.28%)
Sep 12, 2011	23.04	23.42	22.97	23.37	43,265,164	+0.00(+0.01%)
Sep 09, 2011	23.78	23.80	23.15	23.36	48,830,708	-0.61(-2.53%)
Sep 08, 2011	23.80	24.17	23.76	23.97	36,916,388	+0.12(+0.52%)
Sep 07, 2011	23.58	23.86	23.55	23.85	31,601,482	+0.46(+1.97%)
Sep 06, 2011	22.71	23.42	22.70	23.38	38,272,776	-0.10(-0.44%)
Sep 02, 2011	23.48	23.57	23.41	23.49	26,025,338	-0.24(-1.01%)
Sep 01, 2011	23.61	23.95	23.50	23.73	34,930,716	+0.00(+0.00%)
Aug 31, 2011	23.53	23.84	23.46	23.73	33,130,754	+0.20(+0.84%)
Aug 30, 2011	23.50	23.67	23.42	23.53	47,026,844	+0.04(+0.19%)
Aug 29, 2011	23.23	23.53	23.20	23.49	26,181,130	+0.41(+1.80%)
Aug 26, 2011	22.88	23.16	22.47	23.07	29,467,222	+0.18(+0.78%)
Aug 25, 2011	23.44	23.44	22.82	22.89	37,553,976	-0.58(-2.45%)
Aug 24, 2011	23.18	23.48	23.09	23.47	28,911,782	+0.21(+0.90%)
Aug 23, 2011	22.72	23.26	22.67	23.26	35,556,112	+0.60(+2.66%)
Aug 22, 2011	22.91	22.92	22.62	22.66	29,178,980	+0.06(+0.25%)
Aug 19, 2011	22.74	23.00	22.52	22.60	45,246,072	-0.22(-0.97%)
Aug 18, 2011	22.99	23.22	22.59	22.82	58,736,664	-0.51(-2.19%)
Aug 17, 2011	23.06	23.36	22.96	23.33	33,947,548	+0.37(+1.63%)
Aug 16, 2011	22.80	23.06	22.76	22.96	31,789,138	-0.01(-0.04%)
Aug 15, 2011	22.72	23.04	22.65	22.97	34,265,120	+0.36(+1.58%)
Aug 12, 2011	22.49	22.82	22.36	22.61	30,151,100	+0.23(+1.01%)
Aug 11, 2011	21.56	22.67	21.53	22.39	57,015,512	+0.85(+3.92%)
Aug 10, 2011	22.31	22.40	21.45	21.54	56,815,104	-0.92(-4.08%)
Aug 09, 2011	22.29	22.52	21.42	22.46	64,025,048	+0.53(+2.40%)
Aug 08, 2011	22.29	22.64	21.88	21.93	74,362,584	-0.56(-2.47%)
Aug 05, 2011	22.32	22.65	21.91	22.49	65,195,212	+0.32(+1.44%)
Aug 04, 2011	22.83	22.95	22.14	22.17	47,985,464	-0.87(-3.77%)
Aug 03, 2011	22.57	23.09	22.55	23.04	41,694,204	+0.45(+1.98%)
Aug 02, 2011	22.70	22.77	22.59	22.59	26,926,730	-0.22(-0.97%)
Aug 01, 2011	23.07	23.07	22.61	22.81	26,208,548	-0.09(-0.41%)
Jul 29, 2011	23.02	23.19	22.87	22.91	30,514,340	-0.27(-1.16%)
Jul 28, 2011	23.12	23.33	23.11	23.18	22,668,980	+0.04(+0.17%)
Jul 27, 2011	23.16	23.32	23.08	23.14	27,727,362	-0.17(-0.72%)
Jul 26, 2011	23.36	23.39	23.27	23.30	17,562,590	-0.02(-0.10%)
Jul 25, 2011	23.28	23.43	23.24	23.33	19,528,630	-0.16(-0.67%)
Jul 22, 2011	23.43	23.51	23.40	23.49	19,784,194	+0.13(+0.56%)
Jul 21, 2011	23.18	23.45	23.07	23.35	32,789,702	+0.16(+0.68%)
Jul 20, 2011	23.32	23.35	23.17	23.20	23,505,446	-0.15(-0.65%)
Jul 19, 2011	22.80	23.50	22.74	23.35	55,544,180	+0.74(+3.28%)
Jul 18, 2011	22.65	22.71	22.43	22.61	21,953,464	-0.14(-0.61%)
Jul 15, 2011	22.85	22.86	22.66	22.74	25,968,804	-0.05(-0.21%)
Jul 14, 2011	22.93	23.01	22.69	22.79	22,284,440	-0.13(-0.57%)
Jul 13, 2011	22.96	23.05	22.83	22.92	21,804,500	+0.07(+0.31%)
Jul 12, 2011	22.89	23.05	22.81	22.85	19,808,568	-0.08(-0.37%)
Jul 11, 2011	22.82	23.00	22.81	22.94	21,009,418	-0.20(-0.84%)
Jul 08, 2011	23.02	23.13	22.94	23.13	18,811,224	-0.02(-0.10%)
Jul 07, 2011	23.18	23.20	23.10	23.16	18,442,844	+0.07(+0.32%)
Jul 06, 2011	23.01	23.16	23.00	23.08	17,046,186	+0.08(+0.34%)
Jul 05, 2011	22.93	23.17	22.93	23.00	21,972,766	+0.07(+0.31%)
Jul 01, 2011	22.57	22.93	22.57	22.93	24,475,144	+0.27(+1.19%)
Jun 30, 2011	22.56	22.73	22.51	22.66	23,150,476	+0.20(+0.87%)
Jun 29, 2011	22.29	22.51	22.29	22.47	25,289,388	+0.23(+1.03%)
Jun 28, 2011	22.07	22.26	22.01	22.24	19,198,412	+0.28(+1.26%)
Jun 27, 2011	21.84	22.05	21.84	21.96	21,937,734	+0.09(+0.43%)
Jun 24, 2011	21.92	22.02	21.80	21.87	47,614,408	-0.02(-0.08%)
Jun 23, 2011	22.21	22.22	21.70	21.89	39,292,044	-0.48(-2.14%)
Jun 22, 2011	22.33	22.51	22.27	22.36	23,329,084	+0.05(+0.21%)
Jun 21, 2011	22.27	22.33	22.15	22.32	21,176,634	+0.14(+0.65%)
Jun 20, 2011	22.23	22.23	22.15	22.17	16,465,819	+0.07(+0.32%)
Jun 17, 2011	22.19	22.31	22.10	22.10	31,681,520	+0.04(+0.20%)
Jun 16, 2011	21.88	22.15	21.83	22.06	23,068,640	+0.18(+0.80%)
Jun 15, 2011	22.03	22.06	21.77	21.88	24,313,916	-0.22(-0.98%)
Jun 14, 2011	22.03	22.18	21.99	22.10	20,850,064	+0.16(+0.75%)
Jun 13, 2011	21.93	21.98	21.82	21.93	28,327,134	+0.07(+0.31%)
Jun 10, 2011	21.96	22.01	21.82	21.87	20,938,580	-0.17(-0.76%)
Jun 09, 2011	21.88	22.18	21.83	22.03	19,605,942	+0.16(+0.75%)
Jun 08, 2011	21.81	21.91	21.76	21.87	17,573,690	+0.07(+0.31%)
Jun 07, 2011	21.91	21.97	21.80	21.80	17,244,486	-0.07(-0.34%)
Jun 06, 2011	21.91	21.99	21.86	21.88	15,618,572	-0.04(-0.17%)
Jun 03, 2011	21.83	22.01	21.81	21.91	19,345,602	-0.65(-2.88%)
May 24, 2011	22.62	22.66	22.47	22.56	16,269,998	-0.01(-0.03%)
May 23, 2011	22.60	22.70	22.46	22.57	19,794,068	-0.27(-1.19%)
May 20, 2011	22.85	22.91	22.70	22.84	19,405,632	-0.05(-0.23%)
May 19, 2011	22.88	22.97	22.74	22.89	19,395,254	+0.05(+0.23%)
May 18, 2011	22.74	22.86	22.62	22.84	20,072,970	+0.10(+0.46%)
May 17, 2011	22.65	22.80	22.57	22.73	19,875,538	+0.05(+0.24%)
May 16, 2011	22.77	22.82	22.64	22.68	18,499,334	-0.12(-0.51%)
May 13, 2011	22.83	23.00	22.75	22.80	23,950,332	-0.04(-0.19%)
May 12, 2011	22.52	22.88	22.46	22.84	25,551,256	+0.33(+1.47%)
May 11, 2011	22.50	22.63	22.37	22.51	16,778,828	-0.01(-0.03%)
May 10, 2011	22.40	22.56	22.40	22.52	16,628,065	+0.13(+0.58%)
May 09, 2011	22.36	22.50	22.35	22.39	13,286,577	+0.02(+0.07%)
May 06, 2011	22.55	22.60	22.31	22.37	25,509,110	+0.07(+0.30%)
May 05, 2011	22.64	22.65	22.20	22.30	21,263,566	-0.25(-1.13%)
May 04, 2011	22.69	22.71	22.47	22.56	20,258,432	-0.14(-0.62%)
May 03, 2011	22.64	22.70	22.59	22.70	15,770,941	+0.05(+0.24%)
May 02, 2011	22.63	22.66	22.61	22.64	18,718,658	+0.09(+0.39%)
Apr 29, 2011	22.59	22.66	22.49	22.56	22,166,206	+0.02(+0.07%)
Apr 28, 2011	22.38	22.55	22.29	22.54	21,062,986	+0.14(+0.61%)
Apr 27, 2011	22.53	22.54	22.26	22.40	25,229,090	+0.02(+0.10%)
Apr 26, 2011	22.65	22.41	22.01	22.38	48,916,984	-0.27(-1.20%)
Apr 25, 2011	22.59	22.66	22.51	22.65	16,016,653	-0.05(-0.21%)
Apr 21, 2011	22.70	22.80	22.56	22.70	16,414,645	+0.01(+0.04%)
Apr 20, 2011	22.70	22.75	22.61	22.69	19,197,556	+0.25(+1.13%)
Apr 19, 2011	22.47	22.57	22.39	22.43	16,013,728	-0.07(-0.33%)
Apr 18, 2011	22.59	22.62	22.29	22.51	24,094,240	-0.23(-1.03%)
Apr 15, 2011	22.85	22.86	22.69	22.74	26,196,008	-0.10(-0.44%)
Apr 14, 2011	22.52	22.90	22.43	22.84	35,746,528	+0.34(+1.53%)
Apr 13, 2011	22.48	22.56	22.39	22.50	12,671,109	+0.13(+0.57%)
Apr 12, 2011	22.40	22.45	22.21	22.37	24,852,022	-0.17(-0.74%)
Apr 11, 2011	22.49	22.68	22.34	22.54	21,928,804	+0.04(+0.19%)
Apr 08, 2011	22.53	22.62	22.36	22.49	16,761,157	-0.06(-0.25%)
Apr 07, 2011	22.55	22.65	22.38	22.55	19,068,950	-0.06(-0.28%)
Apr 06, 2011	22.59	22.68	22.47	22.61	21,098,750	+0.05(+0.24%)
Apr 05, 2011	22.57	22.66	22.51	22.56	18,675,524	-0.06(-0.28%)
Apr 04, 2011	22.48	22.67	22.46	22.62	20,164,014	+0.15(+0.65%)
Apr 01, 2011	22.37	22.56	22.27	22.48	28,021,672	+0.29(+1.33%)
Mar 31, 2011	22.06	22.35	22.06	22.18	26,501,320	+0.10(+0.45%)
Mar 30, 2011	22.08	22.23	22.08	22.08	28,170,522	+0.11(+0.49%)
Mar 29, 2011	21.80	21.98	21.76	21.98	17,303,766	+0.23(+1.06%)
Mar 28, 2011	21.80	21.90	21.75	21.75	17,352,712	-0.06(-0.29%)
Mar 25, 2011	21.69	21.87	21.67	21.81	18,584,624	+0.18(+0.82%)
Mar 24, 2011	21.59	21.76	21.59	21.63	19,953,958	+0.14(+0.65%)
Mar 23, 2011	21.16	21.58	21.15	21.49	19,388,248	+0.25(+1.20%)
Mar 22, 2011	21.29	21.32	21.15	21.24	12,598,047	-0.02(-0.09%)
Mar 21, 2011	21.32	21.35	21.21	21.26	18,770,822	+0.29(+1.39%)
Mar 18, 2011	21.06	21.17	20.88	20.97	35,383,532	+0.14(+0.67%)
Mar 17, 2011	20.88	21.00	20.70	20.83	30,114,916	+0.21(+1.01%)
Mar 16, 2011	20.96	21.02	20.49	20.62	47,887,312	-0.46(-2.17%)
Mar 15, 2011	20.97	21.16	20.95	21.08	38,007,272	-0.30(-1.42%)
Mar 14, 2011	21.51	21.60	21.24	21.38	26,629,656	-0.29(-1.34%)
Mar 11, 2011	21.71	21.77	21.56	21.67	17,966,226	-0.00(-0.02%)
Mar 10, 2011	21.66	21.76	21.57	21.67	26,759,534	-0.11(-0.50%)
Mar 09, 2011	21.75	21.80	21.66	21.78	22,376,018	-0.01(-0.03%)
Mar 08, 2011	21.71	21.86	21.65	21.79	31,223,466	+0.14(+0.64%)
Mar 07, 2011	21.68	21.82	21.41	21.65	35,603,660	+0.00(+0.02%)
Mar 04, 2011	21.71	21.76	21.50	21.65	34,744,740	-0.12(-0.55%)
Mar 03, 2011	21.51	21.87	21.51	21.77	43,706,888	+0.38(+1.77%)
Mar 02, 2011	21.44	21.52	21.29	21.39	31,290,922	-0.16(-0.74%)
Mar 01, 2011	21.34	21.66	21.31	21.55	46,818,392	+0.33(+1.55%)
Feb 28, 2011	21.30	21.41	21.20	21.22	29,173,858	-0.13(-0.61%)
Feb 25, 2011	21.17	21.38	21.15	21.35	17,233,366	+0.14(+0.67%)
Feb 24, 2011	21.31	21.37	21.15	21.21	25,704,532	-0.01(-0.05%)
Feb 23, 2011	21.17	21.36	21.15	21.22	27,403,628	+0.05(+0.24%)
Feb 22, 2011	21.03	21.34	21.02	21.17	27,034,892	-0.26(-1.22%)
Feb 18, 2011	21.45	21.46	21.29	21.43	37,131,576	+0.00(+0.00%)
Feb 17, 2011	21.04	21.49	21.00	21.43	27,788,740	+0.38(+1.81%)
Feb 16, 2011	20.94	21.08	20.87	21.05	19,573,998	+0.07(+0.33%)
Feb 15, 2011	20.88	20.99	20.77	20.98	24,533,136	+0.02(+0.08%)
Feb 14, 2011	21.14	21.16	20.91	20.96	18,273,906	-0.14(-0.68%)
Feb 11, 2011	20.99	21.13	20.95	21.10	28,767,354	+0.01(+0.05%)
Feb 10, 2011	20.97	21.09	20.86	21.09	27,653,722	+0.13(+0.62%)
Feb 09, 2011	21.28	21.50	20.87	20.96	45,172,208	+0.09(+0.45%)
Feb 08, 2011	20.73	20.89	20.70	20.87	19,672,330	+0.12(+0.56%)
Feb 07, 2011	20.81	20.81	20.69	20.76	18,092,976	-0.01(-0.06%)
Feb 04, 2011	20.80	20.87	20.70	20.77	14,134,708	-0.00(-0.02%)
Feb 03, 2011	20.82	20.91	20.63	20.77	19,575,984	-0.10(-0.46%)
Feb 02, 2011	20.96	21.07	20.77	20.87	23,491,884	-0.06(-0.30%)

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