Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	50.42	50.44	49.33	49.50	147,760	-0.84(-1.67%)
May 23, 2011	50.50	50.66	50.08	50.34	89,546	-0.97(-1.89%)
May 20, 2011	51.21	51.73	50.83	51.31	59,789	-0.22(-0.43%)
May 19, 2011	51.85	52.00	51.25	51.53	54,164	-0.19(-0.37%)
May 18, 2011	50.90	51.75	50.90	51.72	87,902	+0.78(+1.53%)
May 17, 2011	51.12	51.44	50.65	50.94	64,012	-0.53(-1.03%)
May 16, 2011	52.07	52.29	51.42	51.47	101,152	-1.04(-1.98%)
May 13, 2011	53.93	53.93	52.40	52.51	54,341	-1.30(-2.42%)
May 12, 2011	53.15	54.22	52.96	53.81	54,753	+0.41(+0.77%)
May 11, 2011	54.46	54.46	53.12	53.40	56,375	-1.15(-2.11%)
May 10, 2011	54.37	54.95	53.99	54.55	75,377	+0.46(+0.85%)
May 09, 2011	53.00	54.21	52.93	54.09	68,292	+1.13(+2.13%)
May 06, 2011	52.60	54.45	52.59	52.96	123,437	+1.16(+2.24%)
May 05, 2011	54.32	54.32	50.90	51.80	190,669	-2.86(-5.23%)
May 04, 2011	53.97	55.39	53.16	54.66	214,178	+0.98(+1.83%)
May 03, 2011	53.40	53.85	52.75	53.68	78,300	+0.10(+0.19%)
May 02, 2011	53.67	53.70	53.50	53.58	65,422	-0.50(-0.92%)
Apr 29, 2011	54.01	54.37	53.72	54.08	75,275	+0.21(+0.39%)
Apr 28, 2011	54.00	54.11	53.51	53.87	61,904	-0.14(-0.26%)
Apr 27, 2011	54.46	54.72	53.89	54.01	95,169	-0.42(-0.77%)
Apr 26, 2011	54.34	55.20	54.27	54.43	98,005	+0.09(+0.17%)
Apr 25, 2011	54.40	55.05	54.14	54.34	106,003	-0.51(-0.93%)
Apr 21, 2011	54.84	54.98	54.40	54.85	32,832	+0.47(+0.86%)
Apr 20, 2011	54.18	54.78	53.92	54.38	86,876	+1.08(+2.03%)
Apr 19, 2011	53.57	54.10	53.02	53.30	67,950	-0.19(-0.36%)
Apr 18, 2011	54.11	54.18	53.12	53.49	92,413	-1.61(-2.92%)
Apr 15, 2011	54.39	55.33	54.39	55.10	103,386	+0.47(+0.86%)
Apr 14, 2011	53.36	54.74	53.23	54.63	66,174	+0.84(+1.56%)
Apr 13, 2011	54.44	54.85	53.01	53.79	94,543	-0.46(-0.85%)
Apr 12, 2011	54.76	55.36	54.21	54.25	44,323	-0.94(-1.70%)
Apr 11, 2011	55.54	56.36	54.90	55.19	71,100	-0.46(-0.83%)
Apr 08, 2011	56.78	56.78	55.25	55.65	44,524	-0.70(-1.24%)
Apr 07, 2011	56.72	57.15	56.25	56.35	70,311	-0.51(-0.90%)
Apr 06, 2011	57.44	57.50	56.79	56.86	54,033	-0.17(-0.30%)
Apr 05, 2011	57.44	57.71	56.77	57.03	65,371	-0.42(-0.73%)
Apr 04, 2011	57.82	58.00	57.42	57.45	116,096	+0.03(+0.05%)
Apr 01, 2011	57.98	58.23	57.24	57.42	95,215	-0.08(-0.14%)
Mar 31, 2011	57.50	57.99	57.33	57.50	108,324	-0.25(-0.43%)
Mar 30, 2011	57.75	57.75	57.75	57.75	131,882	+1.52(+2.70%)
Mar 29, 2011	55.47	56.32	55.18	56.23	58,825	+0.82(+1.48%)
Mar 28, 2011	56.50	56.70	55.17	55.41	117,940	-0.90(-1.60%)
Mar 25, 2011	54.09	57.33	54.09	56.31	135,484	+2.44(+4.53%)
Mar 24, 2011	54.19	54.44	53.59	53.87	47,122	+0.21(+0.39%)
Mar 23, 2011	52.90	53.97	52.49	53.66	62,811	+0.68(+1.28%)
Mar 22, 2011	52.50	53.29	52.50	52.98	43,094	+0.47(+0.90%)
Mar 21, 2011	52.64	52.69	52.30	52.51	86,610	+1.28(+2.50%)
Mar 18, 2011	50.92	51.85	50.69	51.23	145,076	+0.78(+1.55%)
Mar 17, 2011	50.92	51.08	50.22	50.45	56,673	+0.44(+0.88%)
Mar 16, 2011	50.00	50.37	49.28	50.01	92,744	-0.18(-0.36%)
Mar 15, 2011	49.72	50.60	49.60	50.19	63,530	-0.12(-0.24%)
Mar 14, 2011	50.07	50.77	49.95	50.31	42,257	-0.46(-0.91%)
Mar 11, 2011	50.45	51.31	50.12	50.77	45,330	+0.08(+0.16%)
Mar 10, 2011	50.95	51.52	50.51	50.69	73,635	-1.70(-3.24%)
Mar 09, 2011	52.01	52.52	51.55	52.39	94,933	+0.30(+0.58%)
Mar 08, 2011	50.81	52.90	50.66	52.09	59,311	+1.25(+2.46%)
Mar 07, 2011	52.11	52.15	50.14	50.84	72,126	-1.04(-2.00%)
Mar 04, 2011	52.15	52.15	50.87	51.88	90,895	-0.14(-0.27%)
Mar 03, 2011	50.77	52.15	50.77	52.02	80,683	+2.52(+5.09%)
Mar 02, 2011	49.49	50.21	49.24	49.50	70,623	-0.08(-0.16%)

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