Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	49.84	50.85	49.84	50.29	348,004	+0.78(+1.58%)
May 23, 2011	49.52	49.81	49.19	49.50	530,267	-1.09(-2.15%)
May 20, 2011	50.30	50.95	49.78	50.59	576,931	+0.12(+0.24%)
May 19, 2011	50.59	50.97	49.96	50.47	516,863	+0.04(+0.08%)
May 18, 2011	49.26	50.82	49.25	50.43	475,541	+1.34(+2.74%)
May 17, 2011	49.10	49.64	48.49	49.08	880,059	-0.30(-0.62%)
May 16, 2011	49.72	50.68	49.24	49.39	694,511	-0.57(-1.14%)
May 13, 2011	50.29	50.91	49.52	49.96	673,713	-0.31(-0.61%)
May 12, 2011	49.79	50.71	49.16	50.27	1,156,148	+0.12(+0.24%)
May 11, 2011	51.63	51.65	49.80	50.15	1,053,919	-1.72(-3.32%)
May 10, 2011	51.55	52.19	51.07	51.87	551,025	+0.45(+0.88%)
May 09, 2011	50.86	51.65	50.49	51.42	388,707	+1.21(+2.41%)
May 06, 2011	50.83	51.70	49.74	50.20	692,950	-0.07(-0.15%)
May 05, 2011	50.48	51.41	49.73	50.28	880,306	-0.91(-1.79%)
May 04, 2011	52.30	52.32	50.82	51.19	1,241,917	-1.11(-2.13%)
May 03, 2011	53.46	53.58	51.91	52.31	773,942	-1.50(-2.79%)
May 02, 2011	53.71	53.90	53.42	53.80	314,344	-1.44(-2.61%)
Apr 29, 2011	54.69	55.34	54.55	55.25	167,954	+0.55(+1.01%)
Apr 28, 2011	54.65	55.40	54.20	54.69	182,812	-0.14(-0.26%)
Apr 27, 2011	55.42	55.52	53.74	54.83	322,251	-0.37(-0.67%)
Apr 26, 2011	54.93	55.29	54.43	55.21	361,721	+0.58(+1.06%)
Apr 25, 2011	55.00	55.01	54.18	54.62	481,224	-0.39(-0.71%)
Apr 21, 2011	54.65	55.16	54.33	55.02	851,331	+0.59(+1.08%)
Apr 20, 2011	54.40	54.55	54.00	54.43	298,549	+0.92(+1.72%)
Apr 19, 2011	52.59	53.57	52.59	53.51	349,435	+0.90(+1.71%)
Apr 18, 2011	52.30	52.95	51.69	52.61	558,404	-0.63(-1.18%)
Apr 15, 2011	52.88	53.45	52.34	53.24	342,693	+0.54(+1.03%)
Apr 14, 2011	51.80	52.82	51.66	52.69	314,478	+0.44(+0.84%)
Apr 13, 2011	52.54	52.64	51.75	52.26	352,550	+0.22(+0.43%)
Apr 12, 2011	53.15	53.23	51.56	52.03	649,707	-1.62(-3.03%)
Apr 11, 2011	55.16	55.32	53.45	53.66	302,344	-1.29(-2.35%)
Apr 08, 2011	55.26	55.82	54.67	54.95	187,300	+0.12(+0.21%)
Apr 07, 2011	55.05	55.16	54.36	54.83	347,838	-0.08(-0.15%)
Apr 06, 2011	56.49	56.60	54.55	54.92	251,861	-1.09(-1.94%)
Apr 05, 2011	56.05	56.39	55.78	56.01	166,617	-0.07(-0.13%)
Apr 04, 2011	56.30	56.68	55.98	56.08	239,552	+0.10(+0.18%)
Apr 01, 2011	56.32	56.77	55.78	55.98	328,217	+0.10(+0.18%)
Mar 31, 2011	56.04	56.49	55.85	55.88	288,519	+0.05(+0.09%)
Mar 30, 2011	56.29	56.40	55.20	55.83	601,067	-0.02(-0.04%)
Mar 29, 2011	54.67	56.03	54.61	55.86	347,669	+1.19(+2.17%)
Mar 28, 2011	54.02	55.24	53.56	54.67	310,385	+0.73(+1.36%)
Mar 25, 2011	53.90	54.25	53.41	53.94	223,151	+0.20(+0.37%)
Mar 24, 2011	53.86	53.93	52.93	53.74	206,853	+0.09(+0.18%)
Mar 23, 2011	53.62	53.85	53.01	53.64	282,873	+0.06(+0.12%)
Mar 22, 2011	53.99	54.08	53.31	53.58	312,727	-0.32(-0.60%)
Mar 21, 2011	53.48	53.90	53.28	53.90	283,263	+1.97(+3.79%)
Mar 18, 2011	53.02	53.02	51.75	51.93	237,744	-0.30(-0.57%)
Mar 17, 2011	51.19	52.51	51.14	52.23	237,712	+1.84(+3.64%)
Mar 16, 2011	51.54	51.87	49.89	50.39	424,703	-1.21(-2.34%)
Mar 15, 2011	51.24	52.04	51.19	51.60	338,081	-0.34(-0.66%)
Mar 14, 2011	51.15	52.05	50.71	51.94	362,005	+0.06(+0.11%)
Mar 11, 2011	49.99	52.14	49.87	51.89	537,181	+1.24(+2.46%)
Mar 10, 2011	51.83	51.96	50.55	50.64	486,989	-2.18(-4.13%)
Mar 09, 2011	53.38	53.71	52.67	52.83	242,791	-0.52(-0.97%)
Mar 08, 2011	53.70	53.90	52.88	53.34	277,781	-0.30(-0.57%)
Mar 07, 2011	54.50	54.80	53.30	53.65	218,153	-0.49(-0.91%)
Mar 04, 2011	54.68	54.68	53.70	54.14	194,802	-0.34(-0.62%)
Mar 03, 2011	54.07	54.53	53.50	54.48	223,999	+1.08(+2.02%)
Mar 02, 2011	52.56	53.48	52.20	53.40	206,672	+0.48(+0.90%)

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