Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	54.97	55.14	54.22	54.51	321,827	-0.41(-0.75%)
May 23, 2011	53.40	55.02	53.35	54.92	532,117	+0.55(+1.01%)
May 20, 2011	53.28	54.40	52.71	54.37	382,255	+0.89(+1.66%)
May 19, 2011	53.68	54.09	53.20	53.48	240,671	+0.06(+0.11%)
May 18, 2011	52.32	53.43	51.82	53.42	274,162	+0.96(+1.83%)
May 17, 2011	53.03	53.21	51.90	52.46	454,517	-1.02(-1.91%)
May 16, 2011	54.18	54.27	53.44	53.48	302,039	-1.10(-2.02%)
May 13, 2011	54.66	55.00	54.42	54.58	397,787	-0.23(-0.42%)
May 12, 2011	52.17	55.00	52.01	54.81	471,095	+1.91(+3.61%)
May 11, 2011	54.93	55.18	52.53	52.90	520,902	-2.29(-4.15%)
May 10, 2011	55.51	55.85	55.14	55.19	276,785	+0.02(+0.04%)
May 09, 2011	54.75	55.25	54.30	55.17	242,475	+0.58(+1.06%)
May 06, 2011	54.73	55.15	54.25	54.59	228,202	+0.27(+0.50%)
May 05, 2011	54.54	55.21	54.25	54.32	277,597	-0.35(-0.64%)
May 04, 2011	55.85	55.85	54.61	54.67	269,983	-1.13(-2.03%)
May 03, 2011	56.66	57.02	55.60	55.80	143,592	-0.94(-1.66%)
May 02, 2011	56.86	56.89	56.72	56.74	283,990	-0.04(-0.07%)
Apr 29, 2011	56.64	57.21	56.49	56.78	125,848	+0.08(+0.14%)
Apr 28, 2011	56.79	58.25	56.01	56.70	382,411	+0.09(+0.16%)
Apr 27, 2011	56.49	56.87	55.60	56.61	261,983	+0.16(+0.28%)
Apr 26, 2011	56.41	57.27	56.31	56.45	246,696	+0.23(+0.41%)
Apr 25, 2011	56.09	56.45	55.85	56.22	200,818	+0.42(+0.75%)
Apr 21, 2011	55.26	55.91	54.90	55.80	209,138	+0.82(+1.49%)
Apr 20, 2011	54.88	55.09	54.30	54.98	216,085	+0.83(+1.53%)
Apr 19, 2011	54.26	54.39	53.82	54.15	130,230	+0.04(+0.07%)
Apr 18, 2011	55.06	55.06	53.74	54.11	210,956	-1.39(-2.50%)
Apr 15, 2011	55.04	55.56	54.80	55.50	190,038	+0.63(+1.15%)
Apr 14, 2011	54.71	55.41	54.51	54.87	226,762	-0.21(-0.38%)
Apr 13, 2011	55.40	55.64	54.73	55.08	141,081	-0.11(-0.20%)
Apr 12, 2011	55.56	55.90	54.96	55.19	203,650	-0.66(-1.18%)
Apr 11, 2011	56.06	56.43	55.64	55.85	167,180	-0.21(-0.37%)
Apr 08, 2011	56.69	56.69	55.71	56.06	215,528	-0.60(-1.06%)
Apr 07, 2011	56.94	57.32	56.48	56.66	146,888	-0.45(-0.79%)
Apr 06, 2011	57.68	57.87	56.79	57.11	151,168	-0.28(-0.49%)
Apr 05, 2011	57.30	57.68	57.27	57.39	196,537	-0.04(-0.07%)
Apr 04, 2011	57.14	57.52	57.09	57.43	383,231	+0.33(+0.58%)
Apr 01, 2011	57.44	57.71	56.71	57.10	531,844	-0.19(-0.33%)
Mar 31, 2011	56.39	57.32	56.29	57.29	300,481	+0.87(+1.54%)
Mar 30, 2011	56.65	56.99	56.32	56.42	367,540	+0.15(+0.27%)
Mar 29, 2011	56.25	56.43	55.96	56.27	163,332	-0.11(-0.20%)
Mar 28, 2011	56.82	57.01	56.38	56.38	145,618	-0.40(-0.70%)
Mar 25, 2011	56.66	57.02	56.36	56.78	213,383	+0.35(+0.62%)
Mar 24, 2011	56.36	56.44	55.65	56.43	249,290	+0.21(+0.37%)
Mar 23, 2011	55.55	56.43	55.29	56.22	313,817	+0.53(+0.95%)
Mar 22, 2011	56.21	56.37	55.65	55.69	154,722	-0.56(-1.00%)
Mar 21, 2011	56.07	56.60	56.05	56.25	442,645	+1.89(+3.48%)
Mar 18, 2011	55.08	55.74	54.21	54.36	378,793	-0.28(-0.51%)
Mar 17, 2011	54.57	55.20	54.52	54.64	224,218	+0.68(+1.26%)
Mar 16, 2011	54.90	55.35	53.78	53.96	354,090	-0.86(-1.57%)
Mar 15, 2011	54.66	56.33	54.60	54.82	394,292	-1.51(-2.68%)
Mar 14, 2011	55.43	60.00	55.12	56.33	742,877	+1.00(+1.81%)
Mar 11, 2011	54.97	55.60	54.36	55.33	255,681	+0.50(+0.91%)
Mar 10, 2011	55.94	55.94	54.64	54.83	231,840	-1.60(-2.84%)
Mar 09, 2011	56.54	57.15	55.87	56.43	178,599	+0.06(+0.11%)
Mar 08, 2011	55.44	57.43	55.25	56.37	489,729	+1.16(+2.10%)
Mar 07, 2011	56.51	56.76	54.81	55.21	298,029	-0.96(-1.71%)
Mar 04, 2011	56.44	56.74	55.55	56.17	197,615	-0.17(-0.30%)
Mar 03, 2011	55.79	56.72	55.79	56.34	208,522	+0.82(+1.48%)
Mar 02, 2011	54.84	55.61	54.84	55.52	350,366	+0.53(+0.96%)

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