Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	53.87	54.27	53.87	54.02	870,916	+0.32(+0.60%)
May 23, 2011	53.94	54.12	53.50	53.70	538,978	-0.63(-1.16%)
May 20, 2011	53.87	54.71	53.57	54.33	1,009,254	+0.41(+0.75%)
May 19, 2011	53.41	53.94	53.15	53.92	1,149,027	+0.64(+1.19%)
May 18, 2011	53.52	53.66	53.20	53.29	1,028,742	-0.27(-0.51%)
May 17, 2011	52.52	53.83	52.36	53.56	779,373	+1.04(+1.98%)
May 16, 2011	52.68	52.71	52.38	52.52	375,927	-0.15(-0.29%)
May 13, 2011	53.01	53.10	52.60	52.67	380,217	-0.30(-0.57%)
May 12, 2011	52.18	53.06	52.11	52.97	661,515	+0.80(+1.53%)
May 11, 2011	52.38	52.51	52.00	52.18	342,744	-0.15(-0.29%)
May 10, 2011	51.98	52.42	51.93	52.33	395,327	+0.51(+0.98%)
May 09, 2011	51.45	51.86	51.25	51.82	518,752	+0.43(+0.84%)
May 06, 2011	51.82	52.23	51.31	51.39	611,070	+0.10(+0.20%)
May 05, 2011	51.85	51.93	51.20	51.29	741,794	-0.78(-1.51%)
May 04, 2011	52.20	52.62	51.96	52.07	502,392	-0.06(-0.12%)
May 03, 2011	52.12	52.16	51.84	52.13	491,219	-0.08(-0.16%)
May 02, 2011	52.18	52.25	52.16	52.22	414,073	+0.11(+0.21%)
Apr 29, 2011	52.00	52.38	51.75	52.11	728,705	+0.06(+0.12%)
Apr 28, 2011	51.87	52.10	51.64	52.04	581,895	+0.00(+0.00%)
Apr 27, 2011	51.68	52.06	51.56	52.04	675,692	+0.45(+0.87%)
Apr 26, 2011	50.74	51.69	50.74	51.59	796,707	+0.94(+1.86%)
Apr 25, 2011	50.93	51.05	50.56	50.65	970,765	-0.43(-0.84%)
Apr 21, 2011	51.59	51.70	50.87	51.08	704,118	-0.43(-0.84%)
Apr 20, 2011	51.22	51.57	51.22	51.51	808,587	+0.67(+1.31%)
Apr 19, 2011	51.15	51.21	50.60	50.84	1,095,507	-0.31(-0.61%)
Apr 18, 2011	51.37	51.41	50.94	51.16	838,493	-0.52(-1.01%)
Apr 15, 2011	51.75	51.86	51.52	51.68	920,392	+0.02(+0.04%)
Apr 14, 2011	51.46	51.69	51.23	51.66	909,137	+0.06(+0.12%)
Apr 13, 2011	51.29	51.68	51.18	51.59	758,404	+0.35(+0.68%)
Apr 12, 2011	50.56	51.39	50.53	51.25	730,480	+0.56(+1.10%)
Apr 11, 2011	50.72	51.24	50.53	50.69	592,791	-0.03(-0.05%)
Apr 08, 2011	50.98	50.98	50.61	50.72	674,273	-0.01(-0.01%)
Apr 07, 2011	50.87	51.07	50.64	50.73	557,344	-0.23(-0.45%)
Apr 06, 2011	50.84	51.04	50.67	50.95	662,171	+0.22(+0.42%)
Apr 05, 2011	50.63	51.09	50.63	50.74	837,067	-0.02(-0.04%)
Apr 04, 2011	50.30	50.76	50.20	50.76	923,953	+0.48(+0.95%)
Apr 01, 2011	49.73	50.46	49.68	50.28	804,750	+0.73(+1.47%)
Mar 31, 2011	49.49	49.86	49.43	49.55	1,582,899	+0.09(+0.18%)
Mar 30, 2011	50.10	50.26	49.30	49.46	2,097,402	-0.38(-0.77%)
Mar 29, 2011	50.22	50.39	49.75	49.84	1,698,624	-0.42(-0.83%)
Mar 28, 2011	50.36	50.76	50.25	50.26	921,315	-0.03(-0.06%)
Mar 25, 2011	49.99	50.51	49.99	50.29	885,994	+0.44(+0.89%)
Mar 24, 2011	50.05	50.25	49.78	49.84	1,766,665	-0.08(-0.17%)
Mar 23, 2011	49.70	50.05	49.51	49.93	826,019	+0.15(+0.29%)
Mar 22, 2011	50.17	50.29	49.56	49.78	795,988	-0.34(-0.68%)
Mar 21, 2011	50.00	50.27	49.93	50.12	1,379,259	+1.24(+2.53%)
Mar 18, 2011	48.58	49.01	48.44	48.89	1,006,549	+0.90(+1.87%)
Mar 17, 2011	48.60	48.73	47.82	47.99	773,318	-0.12(-0.25%)
Mar 16, 2011	48.29	48.62	47.82	48.11	683,228	-0.19(-0.40%)
Mar 15, 2011	48.23	48.54	48.12	48.30	760,073	-0.42(-0.87%)
Mar 14, 2011	49.21	49.35	48.64	48.73	907,423	-0.83(-1.68%)
Mar 11, 2011	48.88	50.03	48.74	49.56	1,154,444	+0.82(+1.68%)
Mar 10, 2011	48.87	49.00	48.66	48.74	901,817	-0.40(-0.82%)
Mar 09, 2011	48.70	49.25	48.70	49.14	770,451	+0.29(+0.60%)
Mar 08, 2011	47.64	49.03	47.64	48.85	834,645	+0.60(+1.25%)
Mar 07, 2011	48.46	48.59	47.91	48.25	635,241	-0.21(-0.43%)
Mar 04, 2011	48.32	48.56	48.16	48.46	848,494	+0.08(+0.16%)
Mar 03, 2011	47.65	48.66	47.65	48.38	1,526,819	+1.04(+2.20%)
Mar 02, 2011	47.12	47.46	46.88	47.34	529,872	+0.26(+0.56%)

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