Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	18.97	19.08	18.84	19.01	30,668,302	+0.07(+0.36%)
May 23, 2011	18.99	19.22	18.94	18.94	40,813,740	-0.32(-1.68%)
May 20, 2011	19.59	19.69	19.23	19.27	42,581,624	-0.42(-2.13%)
May 19, 2011	19.96	20.01	19.58	19.69	36,639,808	-0.21(-1.07%)
May 18, 2011	19.76	19.91	19.58	19.90	34,672,948	+0.12(+0.59%)
May 17, 2011	19.12	19.79	19.10	19.78	58,394,828	+0.61(+3.19%)
May 16, 2011	19.14	19.50	19.12	19.17	46,978,252	-0.05(-0.25%)
May 13, 2011	19.46	19.54	19.16	19.22	47,089,608	-0.21(-1.06%)
May 12, 2011	19.42	19.46	19.06	19.43	39,512,376	+0.05(+0.25%)
May 11, 2011	19.58	19.69	19.29	19.38	41,382,596	-0.25(-1.30%)
May 10, 2011	19.50	19.67	19.47	19.63	36,837,340	+0.22(+1.13%)
May 09, 2011	19.32	19.59	19.30	19.41	31,367,116	-0.03(-0.14%)
May 06, 2011	19.57	19.67	19.35	19.44	52,152,320	+0.08(+0.43%)
May 05, 2011	19.76	19.82	19.11	19.36	77,785,032	-0.45(-2.26%)
May 04, 2011	20.24	20.33	19.79	19.80	58,878,328	-0.42(-2.08%)
May 03, 2011	19.80	20.24	19.79	20.22	46,403,012	+0.26(+1.30%)
May 02, 2011	19.92	19.96	19.91	19.96	44,902,460	+0.01(+0.07%)
Apr 29, 2011	20.02	20.16	19.87	19.95	40,539,292	-0.11(-0.55%)
Apr 28, 2011	19.94	20.13	19.94	20.06	54,346,908	+0.00(+0.00%)
Apr 27, 2011	19.83	20.13	19.77	20.06	45,916,360	+0.27(+1.39%)
Apr 26, 2011	19.65	19.81	19.48	19.79	50,543,476	+0.21(+1.09%)
Apr 25, 2011	19.66	19.74	19.51	19.57	47,017,396	+0.01(+0.07%)
Apr 21, 2011	19.85	19.90	19.39	19.56	98,239,432	-0.20(-1.01%)
Apr 20, 2011	20.06	20.17	19.33	19.76	209,104,464	-0.85(-4.12%)
Apr 19, 2011	20.34	20.66	20.29	20.61	58,662,636	+0.38(+1.86%)
Apr 18, 2011	20.22	20.48	20.11	20.23	65,299,964	-0.25(-1.24%)
Apr 15, 2011	20.77	20.88	20.46	20.48	114,494,656	-0.18(-0.86%)
Apr 14, 2011	20.94	20.96	20.63	20.66	57,937,356	-0.36(-1.73%)
Apr 13, 2011	21.61	21.65	21.00	21.03	56,715,716	-0.39(-1.82%)
Apr 12, 2011	21.35	21.72	21.26	21.42	39,621,852	-0.10(-0.48%)
Apr 11, 2011	21.67	21.80	21.43	21.52	39,617,788	-0.15(-0.70%)
Apr 08, 2011	22.27	22.29	21.63	21.67	37,712,028	-0.38(-1.71%)
Apr 07, 2011	22.18	22.36	21.95	22.05	44,160,088	-0.16(-0.71%)
Apr 06, 2011	22.01	22.29	21.84	22.20	50,659,896	+0.28(+1.28%)
Apr 05, 2011	21.77	22.11	21.66	21.92	33,827,396	+0.13(+0.60%)
Apr 04, 2011	21.92	22.02	21.60	21.79	35,653,724	-0.18(-0.81%)
Apr 01, 2011	21.99	22.12	21.81	21.97	36,197,712	+0.24(+1.10%)
Mar 31, 2011	21.66	21.79	21.61	21.73	31,652,202	-0.14(-0.63%)
Mar 30, 2011	21.87	21.87	21.87	21.87	28,325,450	+0.22(+1.01%)
Mar 29, 2011	21.66	21.66	21.42	21.65	31,757,072	-0.01(-0.06%)
Mar 28, 2011	21.95	21.96	21.66	21.66	25,594,544	-0.23(-1.03%)
Mar 25, 2011	21.59	22.08	21.51	21.89	34,270,736	+0.27(+1.27%)
Mar 24, 2011	21.40	21.66	21.29	21.61	30,636,640	+0.11(+0.51%)
Mar 23, 2011	21.50	21.55	21.14	21.51	37,129,316	-0.04(-0.19%)
Mar 22, 2011	21.77	21.79	21.54	21.55	35,369,556	-0.25(-1.16%)
Mar 21, 2011	21.70	21.81	21.51	21.80	48,108,964	+0.03(+0.16%)
Mar 18, 2011	21.77	22.13	21.62	21.77	93,300,320	+0.32(+1.50%)
Mar 17, 2011	21.62	21.68	20.94	21.44	73,949,688	+0.09(+0.42%)
Mar 16, 2011	22.08	22.14	21.27	21.35	70,287,544	-0.71(-3.22%)
Mar 15, 2011	21.77	22.09	21.67	22.07	62,561,708	+0.12(+0.53%)
Mar 14, 2011	21.87	22.05	21.70	21.95	39,547,328	-0.19(-0.86%)
Mar 11, 2011	21.85	22.21	21.84	22.14	33,529,290	+0.22(+1.00%)
Mar 10, 2011	22.09	22.28	21.89	21.92	43,512,548	-0.51(-2.26%)
Mar 09, 2011	22.21	22.54	22.04	22.43	36,219,016	+0.20(+0.89%)
Mar 08, 2011	21.85	22.41	21.78	22.23	49,679,960	+0.54(+2.49%)
Mar 07, 2011	22.01	22.13	21.61	21.69	34,460,696	-0.13(-0.60%)
Mar 04, 2011	22.07	22.13	21.59	21.82	58,054,508	-0.34(-1.54%)
Mar 03, 2011	21.85	22.24	21.83	22.16	45,693,804	+0.53(+2.43%)
Mar 02, 2011	21.47	21.85	20.39	21.64	45,401,532	-0.01(-0.03%)

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