Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	48.13	48.18	47.84	47.90	162,917	+0.14(+0.29%)
May 23, 2011	47.91	47.92	47.59	47.76	124,402	-0.90(-1.85%)
May 20, 2011	48.90	48.97	48.48	48.66	130,470	-0.53(-1.08%)
May 19, 2011	49.03	49.21	48.82	49.19	229,412	+0.21(+0.43%)
May 18, 2011	48.63	49.06	48.53	48.98	228,982	+0.40(+0.82%)
May 17, 2011	48.37	48.60	48.09	48.58	157,587	+0.12(+0.25%)
May 16, 2011	48.62	49.01	48.33	48.46	350,781	-0.18(-0.37%)
May 13, 2011	49.36	49.43	48.47	48.64	558,969	-0.78(-1.58%)
May 12, 2011	48.96	49.53	48.75	49.42	156,362	+0.18(+0.37%)
May 11, 2011	49.67	49.76	48.99	49.24	516,791	-0.72(-1.44%)
May 10, 2011	49.71	49.97	49.62	49.96	423,524	+0.38(+0.77%)
May 09, 2011	49.35	49.67	49.10	49.58	308,990	+0.33(+0.67%)
May 06, 2011	49.71	49.90	49.00	49.25	387,801	+0.17(+0.35%)
May 05, 2011	49.40	49.55	48.88	49.08	455,904	-0.70(-1.41%)
May 04, 2011	50.23	50.23	49.58	49.78	417,903	-0.43(-0.86%)
May 03, 2011	50.42	50.52	49.98	50.21	213,161	-0.41(-0.81%)
May 02, 2011	50.59	50.99	50.53	50.62	211,073	-0.07(-0.14%)
Apr 29, 2011	50.62	50.77	50.49	50.69	217,081	+0.15(+0.30%)
Apr 28, 2011	50.24	50.58	50.22	50.54	807,258	+0.17(+0.34%)
Apr 27, 2011	50.04	50.42	49.74	50.37	1,042,289	+0.51(+1.02%)
Apr 26, 2011	49.55	49.91	49.45	49.86	787,205	+0.49(+0.99%)
Apr 25, 2011	49.44	49.50	49.17	49.37	189,738	-0.10(-0.20%)
Apr 21, 2011	49.55	49.55	49.28	49.47	90,434	+0.34(+0.69%)
Apr 20, 2011	49.02	49.20	49.01	49.13	308,686	+0.85(+1.76%)
Apr 19, 2011	48.18	48.30	48.01	48.28	559,389	+0.40(+0.84%)
Apr 18, 2011	48.00	48.03	47.33	47.88	167,390	-0.69(-1.42%)
Apr 15, 2011	48.58	48.70	48.38	48.57	80,483	-0.05(-0.10%)
Apr 14, 2011	48.21	48.63	48.20	48.62	513,935	+0.06(+0.12%)
Apr 13, 2011	48.79	48.87	48.32	48.56	523,007	+0.16(+0.33%)
Apr 12, 2011	48.67	48.67	48.21	48.40	142,285	-0.43(-0.88%)
Apr 11, 2011	49.06	49.27	48.73	48.83	444,800	-0.22(-0.45%)
Apr 08, 2011	49.30	49.50	48.90	49.05	287,058	+0.08(+0.16%)
Apr 07, 2011	49.14	49.23	48.80	48.97	189,945	-0.19(-0.39%)
Apr 06, 2011	49.23	49.39	49.01	49.16	77,235	+0.25(+0.51%)
Apr 05, 2011	48.72	49.05	48.62	48.91	350,998	+0.04(+0.08%)
Apr 04, 2011	48.91	49.00	48.77	48.87	1,461,370	+0.14(+0.29%)
Apr 01, 2011	48.48	48.91	48.47	48.73	1,043,985	+0.37(+0.77%)
Mar 31, 2011	48.50	48.50	48.24	48.36	987,845	-0.06(-0.12%)
Mar 30, 2011	48.42	48.56	48.24	48.42	1,016,706	+0.40(+0.83%)
Mar 29, 2011	47.61	48.02	47.45	48.02	91,542	+0.39(+0.82%)
Mar 28, 2011	47.90	48.05	47.61	47.63	310,980	-0.14(-0.29%)
Mar 25, 2011	48.02	48.11	47.74	47.77	555,019	-0.25(-0.52%)
Mar 24, 2011	47.80	48.12	47.52	48.02	488,025	+0.52(+1.09%)
Mar 23, 2011	47.33	47.70	47.04	47.50	378,903	+0.04(+0.08%)
Mar 22, 2011	47.34	47.51	47.28	47.46	588,325	+0.06(+0.13%)
Mar 21, 2011	47.40	47.48	47.00	47.40	356,091	+0.81(+1.74%)
Mar 18, 2011	46.60	46.81	46.40	46.59	552,389	+0.54(+1.17%)
Mar 17, 2011	46.34	46.50	45.82	46.05	731,834	+0.71(+1.57%)
Mar 16, 2011	46.36	46.36	44.90	45.34	793,328	-1.14(-2.45%)
Mar 15, 2011	45.28	46.67	45.25	46.48	810,988	-0.75(-1.59%)
Mar 14, 2011	46.89	47.25	46.76	47.23	316,741	-0.42(-0.88%)
Mar 11, 2011	47.29	47.83	47.25	47.65	270,477	+0.13(+0.27%)
Mar 10, 2011	47.88	47.88	47.43	47.52	287,091	-1.06(-2.18%)
Mar 09, 2011	48.61	48.66	48.37	48.58	240,273	-0.02(-0.04%)
Mar 08, 2011	48.18	48.68	48.02	48.60	281,640	+0.40(+0.83%)
Mar 07, 2011	49.04	49.04	48.05	48.20	484,292	-0.51(-1.05%)
Mar 04, 2011	49.09	49.09	48.45	48.71	392,564	-0.41(-0.83%)
Mar 03, 2011	48.68	49.15	48.63	49.12	285,212	+0.79(+1.63%)
Mar 02, 2011	48.26	48.55	47.89	48.33	715,172	+0.22(+0.46%)

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