Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	47.78	48.60	47.78	48.50	419,757	+0.53(+1.10%)
Apr 28, 2011	48.12	48.28	47.61	47.97	446,500	-0.06(-0.12%)
Apr 27, 2011	48.94	48.96	47.65	48.03	579,241	-0.51(-1.05%)
Apr 26, 2011	47.61	48.67	47.61	48.54	596,965	+1.26(+2.66%)
Apr 25, 2011	47.48	47.69	47.08	47.28	294,899	-0.04(-0.08%)
Apr 21, 2011	46.66	47.39	46.47	47.32	371,725	+0.88(+1.89%)
Apr 20, 2011	46.14	46.89	46.14	46.44	562,525	+1.23(+2.72%)
Apr 19, 2011	44.67	45.37	44.64	45.21	574,070	+0.62(+1.39%)
Apr 18, 2011	44.68	44.70	44.17	44.59	606,665	-0.82(-1.81%)
Apr 15, 2011	44.13	45.43	43.93	45.41	564,104	+1.29(+2.92%)
Apr 14, 2011	43.76	44.15	43.51	44.12	540,312	+0.01(+0.02%)
Apr 13, 2011	44.14	44.48	43.78	44.11	505,350	+0.20(+0.46%)
Apr 12, 2011	44.58	44.66	43.53	43.91	1,120,151	-1.15(-2.55%)
Apr 11, 2011	44.56	45.72	44.40	45.06	2,623,708	+0.56(+1.26%)
Apr 08, 2011	44.26	44.84	44.09	44.50	1,213,159	+0.59(+1.34%)
Apr 07, 2011	43.59	44.55	43.32	43.91	792,114	+0.28(+0.64%)
Apr 06, 2011	44.20	44.20	43.20	43.63	493,705	-0.24(-0.55%)
Apr 05, 2011	43.50	44.41	43.02	43.87	600,611	+0.37(+0.85%)
Apr 04, 2011	44.15	44.70	43.34	43.50	477,311	-0.34(-0.78%)
Apr 01, 2011	43.74	44.26	43.56	43.84	449,278	+0.54(+1.25%)
Mar 31, 2011	42.21	43.38	42.21	43.30	488,433	+0.75(+1.76%)
Mar 30, 2011	42.33	42.63	41.47	42.55	559,759	+0.47(+1.12%)
Mar 29, 2011	41.91	42.10	41.41	42.08	513,230	+0.04(+0.10%)
Mar 28, 2011	42.92	43.28	42.04	42.04	449,616	-0.82(-1.91%)
Mar 25, 2011	41.95	42.95	41.70	42.86	524,924	+1.13(+2.71%)
Mar 24, 2011	42.14	42.14	41.33	41.73	369,331	+0.17(+0.41%)
Mar 23, 2011	41.78	41.90	41.22	41.56	406,592	-0.23(-0.55%)
Mar 22, 2011	42.46	42.46	41.52	41.79	366,937	-0.26(-0.62%)
Mar 21, 2011	41.99	42.16	41.73	42.05	426,411	+0.79(+1.91%)
Mar 18, 2011	41.70	41.98	41.19	41.26	517,074	+0.12(+0.29%)
Mar 17, 2011	41.11	41.74	40.76	41.14	380,015	+0.62(+1.53%)
Mar 16, 2011	41.51	42.20	40.26	40.52	748,593	-1.10(-2.64%)
Mar 15, 2011	41.24	41.93	41.05	41.62	864,010	+0.57(+1.39%)
Mar 14, 2011	41.23	42.11	40.79	41.05	983,828	-0.97(-2.31%)
Mar 11, 2011	41.71	42.14	41.24	42.02	478,956	+0.05(+0.12%)
Mar 10, 2011	42.48	42.85	41.89	41.97	773,091	-1.42(-3.27%)
Mar 09, 2011	43.08	43.50	42.64	43.39	714,799	+0.36(+0.84%)
Mar 08, 2011	43.19	43.60	42.69	43.03	733,482	-0.12(-0.28%)
Mar 07, 2011	44.22	44.47	42.80	43.15	582,254	-0.95(-2.15%)
Mar 04, 2011	44.17	44.39	43.53	44.10	528,888	-0.33(-0.74%)
Mar 03, 2011	43.55	44.75	43.54	44.43	657,546	+1.40(+3.25%)
Mar 02, 2011	42.42	43.37	42.24	43.03	923,553	+0.67(+1.58%)
Mar 01, 2011	43.55	43.81	42.26	42.36	766,770	-1.06(-2.44%)
Feb 28, 2011	43.47	43.95	43.11	43.42	1,042,782	+0.24(+0.56%)
Feb 25, 2011	42.84	43.32	42.16	43.18	1,105,235	+0.81(+1.91%)
Feb 24, 2011	42.58	43.40	41.98	42.37	1,090,135	-0.33(-0.77%)
Feb 23, 2011	43.36	43.61	42.24	42.70	1,275,563	-0.49(-1.13%)
Feb 22, 2011	44.87	44.87	43.06	43.19	825,858	-2.16(-4.76%)
Feb 18, 2011	45.55	45.64	45.18	45.35	855,872	-0.13(-0.29%)
Feb 17, 2011	45.14	45.64	45.00	45.48	829,019	+0.37(+0.82%)
Feb 16, 2011	45.45	45.65	45.02	45.11	970,086	+0.01(+0.02%)
Feb 15, 2011	44.71	45.38	44.61	45.10	817,413	+0.24(+0.53%)
Feb 14, 2011	44.73	45.21	44.13	44.86	664,963	+0.20(+0.45%)
Feb 11, 2011	43.25	44.95	43.25	44.66	1,364,501	+1.24(+2.86%)
Feb 10, 2011	42.93	43.93	42.31	43.42	2,029,803	+0.55(+1.28%)
Feb 09, 2011	43.45	44.84	41.97	42.87	3,837,096	+2.65(+6.59%)
Feb 08, 2011	40.53	40.54	39.82	40.22	1,141,812	-0.19(-0.47%)
Feb 07, 2011	40.70	41.41	40.11	40.41	1,103,085	-0.23(-0.57%)
Feb 04, 2011	40.21	40.65	40.04	40.64	479,658	+0.41(+1.02%)
Feb 03, 2011	40.28	40.78	39.56	40.23	1,306,060	+0.23(+0.57%)
Feb 02, 2011	38.07	40.12	38.07	40.00	1,267,180	+1.61(+4.19%)

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