Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	47.65	47.77	47.25	47.35	20,596	-0.08(-0.17%)
May 23, 2011	47.12	47.52	47.04	47.43	483,861	-0.27(-0.57%)
May 20, 2011	47.90	47.93	47.68	47.70	21,243	-0.28(-0.58%)
May 19, 2011	48.77	48.77	47.95	47.98	126,962	-0.18(-0.37%)
May 18, 2011	47.60	48.20	47.54	48.16	49,844	+0.73(+1.54%)
May 17, 2011	47.46	47.66	47.29	47.43	165,767	-0.33(-0.69%)
May 16, 2011	48.03	48.27	47.76	47.76	14,134	-0.38(-0.79%)
May 13, 2011	48.32	48.32	47.80	48.14	23,836	-0.43(-0.89%)
May 12, 2011	48.27	48.80	48.13	48.57	34,681	+0.26(+0.54%)
May 11, 2011	48.90	49.10	48.21	48.31	78,471	-0.54(-1.11%)
May 10, 2011	48.42	48.85	48.40	48.85	516,264	+0.58(+1.20%)
May 09, 2011	48.40	48.47	48.13	48.27	35,306	-0.27(-0.56%)
May 06, 2011	49.18	49.18	48.26	48.54	68,613	-0.13(-0.27%)
May 05, 2011	49.06	49.11	48.59	48.67	25,262	-0.66(-1.34%)
May 04, 2011	49.60	49.68	49.18	49.33	24,307	-0.37(-0.74%)
May 03, 2011	49.65	49.81	49.60	49.70	30,937	-0.23(-0.46%)
May 02, 2011	49.89	49.93	49.89	49.93	19,431	-0.07(-0.15%)
Apr 29, 2011	50.48	50.51	50.00	50.00	82,590	-0.31(-0.62%)
Apr 28, 2011	50.38	50.62	50.07	50.31	78,657	-0.48(-0.94%)
Apr 27, 2011	51.11	51.43	50.79	50.79	77,901	+0.15(+0.30%)
Apr 26, 2011	51.04	51.12	50.63	50.64	50,426	-0.63(-1.24%)
Apr 25, 2011	51.60	51.60	51.22	51.27	15,229	-0.44(-0.85%)
Apr 21, 2011	51.77	51.77	51.43	51.71	18,053	-0.18(-0.35%)
Apr 20, 2011	51.59	51.90	51.59	51.89	17,426	+0.49(+0.95%)
Apr 19, 2011	51.52	51.57	51.18	51.40	38,285	-0.11(-0.21%)
Apr 18, 2011	51.93	52.06	51.36	51.51	94,605	-0.47(-0.90%)
Apr 15, 2011	52.11	52.11	51.89	51.98	25,087	-0.95(-1.79%)
Apr 14, 2011	52.35	52.94	52.18	52.93	19,668	+0.34(+0.65%)
Apr 13, 2011	53.21	53.22	52.55	52.59	13,000	-0.32(-0.60%)
Apr 12, 2011	53.22	53.22	52.75	52.91	12,414	-1.09(-2.02%)
Apr 11, 2011	54.07	54.17	53.78	54.00	14,028	-0.11(-0.20%)
Apr 08, 2011	54.29	54.42	53.95	54.11	24,341	+0.32(+0.59%)
Apr 07, 2011	53.86	54.22	53.60	53.79	74,351	-0.26(-0.48%)
Apr 06, 2011	53.72	54.05	53.63	54.05	71,966	+0.65(+1.22%)
Apr 05, 2011	52.93	53.53	52.91	53.40	60,231	+0.65(+1.23%)
Apr 04, 2011	52.66	52.76	52.50	52.75	109,676	-0.40(-0.75%)
Apr 01, 2011	53.67	53.70	53.15	53.15	9,733	+0.05(+0.09%)
Mar 31, 2011	52.63	53.25	52.63	53.10	42,292	+0.24(+0.45%)
Mar 30, 2011	53.26	53.26	52.82	52.86	15,635	-0.50(-0.94%)
Mar 29, 2011	52.79	53.51	52.75	53.36	18,675	+0.47(+0.89%)
Mar 28, 2011	53.18	53.20	52.77	52.89	27,919	+0.00(+0.00%)
Mar 25, 2011	52.23	52.89	52.23	52.89	2,292	+0.38(+0.72%)
Mar 24, 2011	52.00	52.53	52.00	52.51	10,051	+0.77(+1.49%)
Mar 23, 2011	51.29	51.78	51.20	51.74	4,367	+0.18(+0.35%)
Mar 22, 2011	51.91	51.92	51.56	51.56	6,463	+0.15(+0.28%)
Mar 21, 2011	51.26	51.41	51.22	51.41	7,733	+0.60(+1.18%)
Mar 18, 2011	51.05	51.05	50.73	50.82	6,304	+0.35(+0.70%)
Mar 17, 2011	50.51	50.87	50.36	50.46	12,481	+0.49(+0.98%)
Mar 16, 2011	50.70	50.83	49.64	49.97	20,940	-1.38(-2.70%)
Mar 15, 2011	50.80	51.36	50.79	51.35	93,845	-0.35(-0.67%)
Mar 14, 2011	51.67	51.70	51.26	51.70	6,625	-0.44(-0.85%)
Mar 11, 2011	52.00	52.27	52.00	52.14	9,718	+0.02(+0.05%)
Mar 10, 2011	52.84	52.95	51.96	52.12	27,277	-1.15(-2.16%)
Mar 09, 2011	53.78	53.89	53.01	53.27	45,818	-0.78(-1.45%)
Mar 08, 2011	53.94	54.15	53.82	54.05	7,949	+0.24(+0.45%)
Mar 07, 2011	54.15	54.23	53.36	53.81	23,356	+0.19(+0.36%)
Mar 04, 2011	54.21	54.25	53.59	53.62	17,585	-1.12(-2.05%)
Mar 03, 2011	54.39	54.76	54.38	54.74	10,796	+1.22(+2.28%)
Mar 02, 2011	53.15	53.53	52.91	53.52	8,255	+0.55(+1.04%)

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