Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	52.09	52.24	52.02	52.19	1,178,022	+0.10(+0.18%)
Apr 28, 2011	51.84	52.15	51.78	52.09	1,255,635	+0.33(+0.63%)
Apr 27, 2011	51.60	51.89	51.40	51.77	2,274,853	+0.31(+0.60%)
Apr 26, 2011	51.14	51.55	51.10	51.46	1,439,096	+0.47(+0.93%)
Apr 25, 2011	51.04	51.05	50.84	50.98	1,070,178	-0.02(-0.04%)
Apr 21, 2011	51.07	51.09	50.69	51.01	992,377	+0.16(+0.31%)
Apr 20, 2011	50.95	50.98	50.75	50.85	1,693,758	+0.54(+1.07%)
Apr 19, 2011	50.12	50.34	50.01	50.31	1,520,636	+0.27(+0.55%)
Apr 18, 2011	50.01	50.16	49.72	50.04	1,758,518	-0.67(-1.31%)
Apr 15, 2011	50.53	50.78	50.44	50.70	2,016,368	+0.33(+0.66%)
Apr 14, 2011	50.10	50.47	49.91	50.37	1,508,046	+0.01(+0.03%)
Apr 13, 2011	50.72	50.75	50.21	50.35	1,726,640	-0.10(-0.19%)
Apr 12, 2011	50.53	50.64	50.27	50.45	1,619,987	-0.39(-0.76%)
Apr 11, 2011	51.07	51.25	50.73	50.84	1,142,600	-0.19(-0.36%)
Apr 08, 2011	51.40	51.46	50.83	51.02	1,173,003	-0.18(-0.35%)
Apr 07, 2011	51.29	51.43	50.98	51.20	1,409,511	-0.13(-0.26%)
Apr 06, 2011	51.41	51.44	51.15	51.33	7,726,075	+0.13(+0.25%)
Apr 05, 2011	51.11	51.40	51.07	51.21	1,382,133	-0.01(-0.01%)
Apr 04, 2011	51.26	51.35	51.07	51.21	1,050,816	+0.07(+0.13%)
Apr 01, 2011	51.18	51.35	51.04	51.15	1,518,843	+0.27(+0.54%)
Mar 31, 2011	50.92	51.04	50.84	50.87	2,861,579	-0.11(-0.22%)
Mar 30, 2011	50.98	50.98	50.98	50.98	1,579,665	+0.44(+0.86%)
Mar 29, 2011	50.22	50.57	50.02	50.55	1,062,784	+0.33(+0.66%)
Mar 28, 2011	50.50	50.59	50.21	50.21	1,659,416	-0.16(-0.31%)
Mar 25, 2011	50.27	50.56	50.16	50.37	2,175,337	+0.21(+0.41%)
Mar 24, 2011	50.05	50.25	49.70	50.16	1,413,180	+0.40(+0.80%)
Mar 23, 2011	49.61	49.90	49.31	49.76	2,958,416	+0.04(+0.07%)
Mar 22, 2011	49.99	50.01	49.73	49.73	2,309,772	-0.18(-0.37%)
Mar 21, 2011	49.90	49.99	49.82	49.91	3,633,119	+0.64(+1.30%)
Mar 18, 2011	49.59	49.59	49.15	49.27	2,316,872	+0.35(+0.71%)
Mar 17, 2011	49.03	49.11	48.59	48.92	2,196,270	+0.46(+0.96%)
Mar 16, 2011	48.98	49.13	47.98	48.46	4,553,606	-0.66(-1.35%)
Mar 15, 2011	48.91	49.38	48.85	49.12	2,796,886	-0.52(-1.04%)
Mar 14, 2011	49.59	49.75	49.27	49.64	2,129,264	-0.34(-0.68%)
Mar 11, 2011	49.46	50.12	49.42	49.98	2,213,542	+0.35(+0.70%)
Mar 10, 2011	50.08	50.08	49.59	49.63	2,120,581	-0.95(-1.88%)
Mar 09, 2011	50.49	50.72	50.26	50.58	2,054,320	-0.01(-0.03%)
Mar 08, 2011	50.18	50.72	49.99	50.60	4,719,082	+0.58(+1.16%)
Mar 07, 2011	50.54	50.63	49.78	50.01	2,629,276	-0.34(-0.68%)
Mar 04, 2011	50.77	50.77	50.03	50.36	3,874,970	-0.43(-0.85%)
Mar 03, 2011	50.37	50.83	50.32	50.79	1,688,416	+0.88(+1.76%)
Mar 02, 2011	49.81	50.15	49.70	49.91	2,553,229	+0.07(+0.15%)
Mar 01, 2011	50.82	50.88	49.84	49.84	2,881,106	-0.89(-1.76%)
Feb 28, 2011	50.45	50.73	50.41	50.73	2,764,933	+0.41(+0.81%)
Feb 25, 2011	49.92	50.34	49.91	50.32	2,293,220	+0.57(+1.14%)
Feb 24, 2011	49.75	49.92	49.29	49.76	2,911,892	-0.08(-0.16%)
Feb 23, 2011	50.06	50.21	49.49	49.84	4,424,514	-0.21(-0.41%)
Feb 22, 2011	50.53	50.82	49.91	50.04	6,436,889	-1.04(-2.04%)
Feb 18, 2011	51.09	51.13	50.91	51.08	2,041,885	+0.07(+0.14%)
Feb 17, 2011	50.63	51.07	50.63	51.01	1,794,219	+0.24(+0.46%)
Feb 16, 2011	50.69	50.81	50.52	50.77	2,293,933	+0.28(+0.55%)
Feb 15, 2011	50.41	50.57	50.36	50.49	1,537,800	-0.12(-0.23%)
Feb 14, 2011	50.51	50.64	50.37	50.61	1,835,150	+0.11(+0.22%)
Feb 11, 2011	50.02	50.58	49.97	50.50	1,936,640	+0.29(+0.59%)
Feb 10, 2011	49.88	50.25	49.83	50.21	2,747,879	+0.08(+0.16%)
Feb 09, 2011	50.16	50.29	49.89	50.12	3,271,196	-0.19(-0.38%)
Feb 08, 2011	50.10	50.33	49.98	50.32	2,204,493	+0.24(+0.47%)
Feb 07, 2011	49.84	50.20	49.83	50.08	2,213,688	+0.34(+0.68%)
Feb 04, 2011	49.70	49.75	49.40	49.74	1,807,980	+0.07(+0.13%)
Feb 03, 2011	49.49	49.75	49.21	49.67	2,569,721	+0.09(+0.18%)
Feb 02, 2011	49.59	49.73	49.55	49.59	1,583,032	-0.13(-0.25%)

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