Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	58.66	58.88	58.43	58.61	40,204	+0.29(+0.50%)
May 23, 2011	58.61	58.61	57.96	58.32	114,336	-1.43(-2.39%)
May 20, 2011	59.96	59.96	59.53	59.75	31,155	-0.50(-0.82%)
May 19, 2011	60.20	60.30	59.87	60.24	108,275	+0.05(+0.07%)
May 18, 2011	59.54	60.31	59.45	60.20	152,315	+1.10(+1.87%)
May 17, 2011	58.83	59.14	58.58	59.09	230,607	+0.20(+0.34%)
May 16, 2011	58.80	59.82	58.80	58.89	71,292	-0.22(-0.38%)
May 13, 2011	59.91	59.93	58.78	59.12	73,988	-0.69(-1.15%)
May 12, 2011	59.54	60.05	59.05	59.81	25,964	+0.02(+0.03%)
May 11, 2011	60.42	60.42	59.25	59.79	117,012	-0.83(-1.36%)
May 10, 2011	60.44	60.75	60.37	60.62	74,170	+0.53(+0.87%)
May 09, 2011	59.96	60.33	59.76	60.09	45,394	+0.32(+0.53%)
May 06, 2011	59.90	60.61	59.48	59.78	61,462	+0.70(+1.18%)
May 05, 2011	59.17	59.76	58.92	59.08	52,976	-0.38(-0.63%)
May 04, 2011	60.01	60.01	58.98	59.45	84,991	-1.07(-1.76%)
May 03, 2011	61.23	61.23	60.17	60.52	133,160	-1.19(-1.93%)
May 02, 2011	61.71	61.71	61.61	61.71	126,853	+0.03(+0.05%)
Apr 29, 2011	61.61	62.07	61.38	61.68	133,971	-0.02(-0.02%)
Apr 28, 2011	61.73	61.73	61.21	61.70	100,863	-0.59(-0.95%)
Apr 27, 2011	62.58	62.58	61.46	62.29	128,215	-0.52(-0.82%)
Apr 26, 2011	62.73	63.10	62.56	62.81	115,443	+0.12(+0.20%)
Apr 25, 2011	62.99	63.01	62.47	62.69	86,303	-0.45(-0.71%)
Apr 21, 2011	63.16	63.17	62.78	63.14	76,805	+0.28(+0.45%)
Apr 20, 2011	63.13	63.13	62.46	62.85	292,116	+1.11(+1.80%)
Apr 19, 2011	61.43	61.83	61.33	61.74	448,828	+0.37(+0.60%)
Apr 18, 2011	61.34	61.47	60.69	61.38	124,274	-1.00(-1.61%)
Apr 15, 2011	62.21	62.40	62.04	62.38	128,209	+0.29(+0.46%)
Apr 14, 2011	61.63	62.10	61.57	62.10	137,613	+0.47(+0.76%)
Apr 13, 2011	61.95	62.01	61.37	61.63	62,564	+0.75(+1.24%)
Apr 12, 2011	61.27	61.47	60.67	60.88	63,721	-0.74(-1.20%)
Apr 11, 2011	62.44	62.58	61.47	61.62	94,464	-0.74(-1.18%)
Apr 08, 2011	62.37	62.64	61.98	62.35	50,391	+0.27(+0.43%)
Apr 07, 2011	62.16	62.39	61.76	62.09	67,993	-0.06(-0.09%)
Apr 06, 2011	62.48	62.54	61.98	62.14	60,876	+0.08(+0.12%)
Apr 05, 2011	62.01	62.25	61.80	62.07	465,201	-0.09(-0.14%)
Apr 04, 2011	61.77	62.16	61.50	62.16	90,656	+1.31(+2.15%)
Apr 01, 2011	60.87	61.10	60.69	60.85	110,747	+0.53(+0.88%)
Mar 31, 2011	59.67	60.40	59.62	60.32	168,112	+0.70(+1.17%)
Mar 30, 2011	59.47	59.81	59.36	59.62	70,085	+1.01(+1.72%)
Mar 29, 2011	58.42	58.76	58.11	58.61	85,083	+0.42(+0.72%)
Mar 28, 2011	58.19	58.42	58.12	58.19	96,851	-0.57(-0.98%)
Mar 25, 2011	58.67	59.02	58.61	58.77	70,065	+0.07(+0.12%)
Mar 24, 2011	58.55	58.89	57.96	58.70	157,611	+0.64(+1.10%)
Mar 23, 2011	57.56	58.24	57.31	58.06	85,578	+0.62(+1.08%)
Mar 22, 2011	57.58	57.60	57.27	57.44	62,023	+0.21(+0.37%)
Mar 21, 2011	57.27	57.38	57.10	57.22	116,357	+1.49(+2.68%)
Mar 18, 2011	56.29	56.29	55.68	55.73	98,187	-0.06(-0.11%)
Mar 17, 2011	56.17	56.17	55.51	55.79	84,605	-0.14(-0.25%)
Mar 16, 2011	56.67	57.20	55.45	55.93	149,524	-1.31(-2.29%)
Mar 15, 2011	56.93	57.55	56.84	57.25	356,548	-0.92(-1.58%)
Mar 14, 2011	57.92	58.25	57.69	58.17	86,578	+0.14(+0.24%)
Mar 11, 2011	57.41	58.25	57.38	58.03	146,247	-0.03(-0.05%)
Mar 10, 2011	58.39	58.39	57.80	58.06	229,389	-0.86(-1.45%)
Mar 09, 2011	58.86	59.06	58.64	58.91	80,840	+0.14(+0.23%)
Mar 08, 2011	58.22	58.95	57.87	58.78	162,052	+1.13(+1.97%)
Mar 07, 2011	58.31	58.49	57.41	57.65	86,083	-0.50(-0.85%)
Mar 04, 2011	58.25	58.28	57.64	58.14	78,939	+0.08(+0.14%)
Mar 03, 2011	57.50	58.07	57.50	58.06	44,259	+1.07(+1.87%)
Mar 02, 2011	56.54	57.21	56.54	56.99	68,499	+0.75(+1.33%)

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