Date	Open	High	Low	Close	Volume	Change (%)
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%)

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