Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	65.40	66.07	65.01	65.33	55,207	+0.23(+0.35%)
May 23, 2011	64.72	65.27	64.47	65.11	125,666	-0.74(-1.12%)
May 20, 2011	66.32	66.46	65.42	65.85	49,891	-0.62(-0.93%)
May 19, 2011	66.78	67.14	66.20	66.46	48,409	-0.01(-0.01%)
May 18, 2011	65.31	66.58	65.22	66.47	81,045	+1.32(+2.02%)
May 17, 2011	65.49	65.75	64.67	65.15	237,170	-0.58(-0.89%)
May 16, 2011	65.78	67.05	65.57	65.74	269,752	-0.33(-0.50%)
May 13, 2011	66.96	67.25	65.88	66.07	121,272	-0.88(-1.32%)
May 12, 2011	66.68	67.32	66.07	66.95	116,887	+0.00(+0.00%)
May 11, 2011	68.56	68.56	66.70	66.95	97,395	-1.69(-2.46%)
May 10, 2011	68.42	68.83	68.01	68.65	69,364	+0.55(+0.80%)
May 09, 2011	67.40	68.26	67.20	68.10	91,851	+1.00(+1.49%)
May 06, 2011	67.38	68.03	66.77	67.10	129,620	+0.49(+0.74%)
May 05, 2011	66.68	67.58	66.22	66.61	114,611	-0.62(-0.93%)
May 04, 2011	68.29	68.32	66.77	67.23	114,012	-1.21(-1.77%)
May 03, 2011	69.15	69.26	67.95	68.44	84,327	-0.88(-1.27%)
May 02, 2011	69.25	69.36	69.16	69.32	75,979	-0.54(-0.78%)
Apr 29, 2011	69.55	69.96	69.37	69.86	88,240	+0.36(+0.52%)
Apr 28, 2011	69.39	69.98	69.21	69.50	69,390	+0.07(+0.10%)
Apr 27, 2011	69.57	69.57	68.17	69.44	55,231	+0.14(+0.20%)
Apr 26, 2011	68.92	69.56	68.68	69.30	55,237	+0.73(+1.06%)
Apr 25, 2011	68.95	68.95	68.14	68.58	143,577	-0.27(-0.40%)
Apr 21, 2011	68.52	68.87	68.33	68.85	69,184	+0.77(+1.14%)
Apr 20, 2011	68.60	68.60	67.99	68.08	126,032	+0.84(+1.25%)
Apr 19, 2011	66.39	67.23	66.39	67.23	38,352	+1.08(+1.63%)
Apr 18, 2011	66.69	66.69	65.51	66.16	127,724	-0.92(-1.37%)
Apr 15, 2011	66.95	67.19	66.44	67.08	84,834	+0.42(+0.63%)
Apr 14, 2011	66.19	66.81	66.02	66.66	80,512	+0.16(+0.25%)
Apr 13, 2011	67.09	67.26	65.94	66.49	54,952	-0.16(-0.25%)
Apr 12, 2011	67.05	67.21	66.44	66.66	289,732	-0.98(-1.45%)
Apr 11, 2011	68.79	68.89	67.31	67.64	71,399	-0.97(-1.42%)
Apr 08, 2011	69.56	69.66	68.28	68.61	72,619	-0.51(-0.73%)
Apr 07, 2011	69.25	69.76	68.80	69.12	60,477	-0.09(-0.12%)
Apr 06, 2011	70.16	70.31	68.99	69.21	81,810	-0.50(-0.72%)
Apr 05, 2011	68.92	70.03	68.72	69.71	77,906	+0.78(+1.13%)
Apr 04, 2011	68.86	69.12	68.70	68.93	76,633	+0.45(+0.66%)
Apr 01, 2011	68.59	68.75	68.16	68.47	96,801	+0.37(+0.54%)
Mar 31, 2011	67.90	68.38	67.90	68.11	136,882	+0.20(+0.30%)
Mar 30, 2011	67.73	68.03	67.05	67.90	122,089	+0.78(+1.16%)
Mar 29, 2011	66.50	67.16	66.06	67.12	83,105	+0.69(+1.03%)
Mar 28, 2011	67.09	67.23	66.44	66.44	116,339	-0.33(-0.49%)
Mar 25, 2011	66.54	67.32	66.45	66.77	93,488	+0.41(+0.62%)
Mar 24, 2011	66.57	66.57	65.76	66.35	156,002	+0.36(+0.54%)
Mar 23, 2011	65.18	66.16	64.79	65.99	64,267	+0.81(+1.24%)
Mar 22, 2011	65.24	65.49	64.87	65.18	36,004	-0.18(-0.27%)
Mar 21, 2011	65.25	65.42	65.02	65.36	68,019	+1.20(+1.87%)
Mar 18, 2011	64.91	64.91	64.01	64.16	86,345	+0.47(+0.73%)
Mar 17, 2011	63.96	64.32	63.53	63.69	68,012	+0.93(+1.48%)
Mar 16, 2011	64.13	64.14	62.26	62.77	183,282	-1.20(-1.87%)
Mar 15, 2011	63.39	64.46	63.32	63.97	118,232	-0.16(-0.24%)
Mar 14, 2011	63.59	64.54	63.39	64.12	119,649	+0.13(+0.20%)
Mar 11, 2011	62.63	64.22	62.49	64.00	135,818	+0.81(+1.29%)
Mar 10, 2011	63.91	64.03	62.97	63.18	129,626	-1.54(-2.38%)
Mar 09, 2011	65.55	65.55	64.51	64.72	57,456	-0.94(-1.42%)
Mar 08, 2011	64.98	65.92	64.37	65.66	69,838	+0.62(+0.95%)
Mar 07, 2011	66.27	66.69	64.66	65.04	128,772	-1.19(-1.80%)
Mar 04, 2011	66.62	66.81	65.68	66.24	99,818	-0.35(-0.53%)
Mar 03, 2011	66.07	66.67	66.06	66.59	66,313	+1.33(+2.04%)
Mar 02, 2011	65.01	65.71	64.79	65.25	60,709	+0.18(+0.28%)

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