Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	50.79	51.65	50.57	50.69	412,722	+0.30(+0.60%)
May 23, 2011	50.08	50.96	49.97	50.39	563,315	-0.93(-1.81%)
May 20, 2011	51.78	52.01	51.07	51.32	596,712	-0.64(-1.23%)
May 19, 2011	52.60	52.60	51.15	51.96	621,347	-0.28(-0.54%)
May 18, 2011	51.35	52.36	51.15	52.24	472,766	+0.89(+1.73%)
May 17, 2011	51.10	51.84	50.80	51.35	486,899	+0.03(+0.06%)
May 16, 2011	50.79	52.78	50.38	51.32	689,518	+0.19(+0.37%)
May 13, 2011	52.11	52.24	50.83	51.13	714,448	-0.93(-1.79%)
May 12, 2011	51.50	52.80	51.25	52.06	1,168,690	-0.50(-0.95%)
May 11, 2011	54.57	54.57	52.38	52.56	747,033	-2.24(-4.09%)
May 10, 2011	54.43	54.84	53.53	54.80	466,956	+0.59(+1.09%)
May 09, 2011	52.40	54.40	52.40	54.21	566,965	+1.85(+3.53%)
May 06, 2011	53.41	54.14	51.80	52.36	1,114,464	-0.26(-0.49%)
May 05, 2011	52.71	54.10	52.22	52.62	596,105	-1.08(-2.01%)
May 04, 2011	55.17	55.17	53.02	53.70	613,245	-1.53(-2.77%)
May 03, 2011	55.23	55.52	54.56	55.23	700,365	+0.10(+0.18%)
May 02, 2011	55.20	55.24	54.98	55.13	405,283	-1.48(-2.61%)
Apr 29, 2011	56.79	57.02	55.91	56.61	564,655	-0.20(-0.35%)
Apr 28, 2011	56.98	57.97	56.27	56.81	633,521	+0.14(+0.25%)
Apr 27, 2011	56.49	56.98	55.60	56.67	813,283	+0.37(+0.66%)
Apr 26, 2011	56.38	56.84	55.93	56.30	409,254	+0.09(+0.16%)
Apr 25, 2011	56.77	56.79	55.77	56.21	317,484	-0.40(-0.71%)
Apr 21, 2011	56.98	57.09	56.00	56.61	294,739	+0.17(+0.30%)
Apr 20, 2011	55.99	56.76	55.83	56.44	539,484	+1.35(+2.45%)
Apr 19, 2011	54.19	55.16	54.19	55.09	476,465	+1.23(+2.28%)
Apr 18, 2011	54.43	54.45	53.40	53.86	463,711	-1.40(-2.53%)
Apr 15, 2011	54.81	55.50	54.33	55.26	462,333	+0.54(+0.99%)
Apr 14, 2011	54.57	55.57	54.44	54.72	586,371	-0.19(-0.35%)
Apr 13, 2011	55.74	55.95	54.06	54.91	553,682	-0.46(-0.83%)
Apr 12, 2011	55.69	56.39	55.27	55.37	593,942	-1.11(-1.97%)
Apr 11, 2011	57.54	57.86	55.94	56.48	426,806	-0.93(-1.62%)
Apr 08, 2011	58.63	58.89	57.05	57.41	481,705	-0.81(-1.39%)
Apr 07, 2011	58.90	59.38	58.05	58.22	527,754	-0.73(-1.24%)
Apr 06, 2011	60.49	60.60	58.87	58.95	519,950	-1.10(-1.83%)
Apr 05, 2011	59.38	60.60	59.18	60.05	877,988	+0.61(+1.03%)
Apr 04, 2011	58.69	59.58	58.54	59.44	441,374	+1.03(+1.76%)
Apr 01, 2011	58.31	58.87	57.78	58.41	498,160	+0.63(+1.09%)
Mar 31, 2011	58.50	58.72	57.70	57.78	772,370	-0.71(-1.21%)
Mar 30, 2011	58.51	58.58	58.46	58.49	693,474	+1.37(+2.40%)
Mar 29, 2011	56.68	57.27	56.13	57.12	478,714	+0.44(+0.78%)
Mar 28, 2011	56.99	57.18	56.21	56.68	668,857	+0.06(+0.11%)
Mar 25, 2011	56.69	57.27	56.18	56.62	527,678	+0.56(+1.00%)
Mar 24, 2011	55.39	56.44	55.00	56.06	490,423	+1.25(+2.28%)
Mar 23, 2011	53.87	55.25	53.87	54.81	289,324	+0.65(+1.20%)
Mar 22, 2011	53.93	54.49	53.57	54.16	686,202	+0.30(+0.56%)
Mar 21, 2011	53.79	53.89	53.41	53.86	476,336	+1.52(+2.90%)
Mar 18, 2011	53.62	53.78	52.05	52.34	1,300,269	-0.39(-0.74%)
Mar 17, 2011	53.00	54.00	52.67	52.73	569,648	+0.66(+1.27%)
Mar 16, 2011	52.87	53.80	51.35	52.07	893,302	-0.80(-1.51%)
Mar 15, 2011	52.52	53.27	52.48	52.87	542,074	+0.06(+0.11%)
Mar 14, 2011	52.71	53.52	51.92	52.81	404,644	-0.28(-0.53%)
Mar 11, 2011	51.40	53.54	51.29	53.09	379,526	+1.39(+2.69%)
Mar 10, 2011	52.29	52.52	51.32	51.70	540,958	-1.74(-3.26%)
Mar 09, 2011	54.07	54.32	52.75	53.44	548,634	-0.73(-1.35%)
Mar 08, 2011	54.20	54.89	53.25	54.17	639,985	-0.04(-0.07%)
Mar 07, 2011	56.23	56.40	53.95	54.21	526,352	-1.65(-2.95%)
Mar 04, 2011	56.41	56.50	55.27	55.86	620,702	-0.57(-1.01%)
Mar 03, 2011	54.76	56.50	54.76	56.43	866,499	+2.25(+4.15%)
Mar 02, 2011	53.73	55.00	53.60	54.18	706,101	+0.57(+1.06%)

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