Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	54.85	55.86	54.85	55.53	305,330	+0.83(+1.52%)
Apr 28, 2011	54.95	55.28	54.63	54.70	166,922	-0.25(-0.46%)
Apr 27, 2011	54.74	55.13	54.36	54.96	297,319	+0.26(+0.48%)
Apr 26, 2011	55.00	55.27	54.66	54.69	403,445	-0.03(-0.05%)
Apr 25, 2011	55.20	55.29	54.56	54.72	297,639	-0.63(-1.14%)
Apr 21, 2011	55.68	55.69	55.00	55.35	370,797	-0.04(-0.07%)
Apr 20, 2011	55.23	55.65	55.12	55.39	394,036	+0.89(+1.63%)
Apr 19, 2011	54.65	54.91	54.22	54.50	328,364	+0.18(+0.33%)
Apr 18, 2011	54.14	54.49	53.68	54.33	606,317	-0.71(-1.29%)
Apr 15, 2011	54.52	55.24	54.52	55.03	541,190	+0.37(+0.67%)
Apr 14, 2011	54.76	54.84	54.19	54.66	361,012	-0.43(-0.79%)
Apr 13, 2011	55.62	55.72	54.40	55.10	294,549	-0.27(-0.49%)
Apr 12, 2011	56.11	56.36	55.29	55.37	306,382	-1.14(-2.02%)
Apr 11, 2011	56.75	57.12	56.28	56.51	216,611	-0.25(-0.45%)
Apr 08, 2011	57.59	57.59	56.48	56.77	371,184	-0.63(-1.10%)
Apr 07, 2011	57.30	57.91	57.06	57.40	616,385	+0.23(+0.40%)
Apr 06, 2011	57.47	57.47	56.83	57.17	361,654	+0.10(+0.18%)
Apr 05, 2011	56.82	57.22	56.50	57.07	289,446	+0.23(+0.40%)
Apr 04, 2011	56.81	57.02	56.46	56.84	346,305	+0.05(+0.08%)
Apr 01, 2011	55.49	57.10	55.32	56.80	865,334	+1.68(+3.04%)
Mar 31, 2011	53.62	55.22	53.24	55.12	794,934	+1.50(+2.79%)
Mar 30, 2011	53.62	53.62	53.62	53.62	992,604	+0.98(+1.86%)
Mar 29, 2011	52.89	53.32	52.57	52.64	621,683	-0.24(-0.45%)
Mar 28, 2011	53.07	53.54	52.79	52.88	489,831	-0.03(-0.05%)
Mar 25, 2011	52.81	53.85	52.62	52.90	354,866	+0.14(+0.27%)
Mar 24, 2011	52.74	52.92	52.09	52.76	369,151	+0.38(+0.72%)
Mar 23, 2011	52.49	52.69	51.76	52.39	564,470	-0.16(-0.30%)
Mar 22, 2011	53.82	53.87	52.50	52.55	462,666	-1.27(-2.36%)
Mar 21, 2011	53.75	54.19	53.70	53.82	555,312	+2.21(+4.27%)
Mar 18, 2011	51.09	51.88	50.96	51.61	488,175	+0.84(+1.65%)
Mar 17, 2011	51.47	51.47	50.61	50.77	355,692	+0.14(+0.28%)
Mar 16, 2011	51.54	51.93	50.27	50.63	503,676	-0.92(-1.79%)
Mar 15, 2011	51.19	52.06	51.07	51.56	509,258	+0.07(+0.13%)
Mar 14, 2011	51.34	52.07	50.95	51.49	628,583	-0.30(-0.58%)
Mar 11, 2011	51.22	52.19	51.12	51.79	430,158	-0.06(-0.11%)
Mar 10, 2011	52.81	52.81	51.70	51.85	347,919	-1.56(-2.93%)
Mar 09, 2011	53.43	53.69	52.96	53.41	272,199	+0.07(+0.12%)
Mar 08, 2011	52.31	53.87	51.66	53.35	354,270	+1.12(+2.15%)
Mar 07, 2011	53.90	54.08	51.83	52.23	540,715	-1.39(-2.58%)
Mar 04, 2011	54.34	54.34	53.05	53.61	241,186	-0.59(-1.10%)
Mar 03, 2011	53.65	54.47	53.65	54.20	412,554	+1.12(+2.11%)
Mar 02, 2011	52.83	53.57	52.41	53.08	299,964	+0.16(+0.30%)
Mar 01, 2011	53.58	53.90	52.91	52.92	493,937	-0.34(-0.64%)
Feb 28, 2011	53.82	54.34	52.77	53.26	325,174	-0.17(-0.32%)
Feb 25, 2011	53.00	53.56	52.56	53.43	195,910	+0.57(+1.07%)
Feb 24, 2011	52.58	53.38	52.30	52.87	472,763	+0.19(+0.36%)
Feb 23, 2011	53.34	53.99	51.80	52.68	454,136	-0.71(-1.32%)
Feb 22, 2011	53.71	54.27	53.17	53.38	388,695	-0.74(-1.38%)
Feb 18, 2011	54.13	54.38	53.92	54.13	234,434	+0.29(+0.54%)
Feb 17, 2011	53.92	54.03	53.38	53.84	267,122	-0.19(-0.35%)
Feb 16, 2011	54.04	54.50	53.86	54.03	184,032	+0.13(+0.24%)
Feb 15, 2011	54.35	54.56	53.58	53.89	182,003	-0.50(-0.92%)
Feb 14, 2011	54.59	54.60	54.14	54.39	183,113	-0.25(-0.47%)
Feb 11, 2011	53.65	54.65	53.50	54.65	167,825	+0.84(+1.56%)
Feb 10, 2011	53.27	53.91	53.16	53.81	189,539	+0.34(+0.63%)
Feb 09, 2011	53.63	53.72	53.03	53.47	171,908	-0.42(-0.79%)
Feb 08, 2011	53.79	54.10	53.59	53.89	203,219	+0.17(+0.32%)
Feb 07, 2011	53.05	53.82	52.48	53.72	323,438	+0.80(+1.51%)
Feb 04, 2011	53.14	53.14	52.16	52.92	244,264	-0.16(-0.30%)
Feb 03, 2011	52.52	53.13	51.61	53.08	305,994	+0.44(+0.84%)
Feb 02, 2011	52.80	52.90	52.13	52.64	257,424	-0.27(-0.52%)

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