Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	48.28	48.88	47.19	47.55	558,047	-0.41(-0.85%)
Feb 25, 2011	47.93	48.48	47.47	47.95	588,188	+0.10(+0.21%)
Feb 24, 2011	47.13	48.80	46.95	47.85	924,878	+0.59(+1.25%)
Feb 23, 2011	47.98	49.58	46.04	47.26	2,520,629	+5.21(+12.39%)
Feb 22, 2011	43.12	43.66	41.92	42.05	359,423	-1.56(-3.57%)
Feb 18, 2011	43.57	43.68	43.18	43.61	592,677	+0.30(+0.70%)
Feb 17, 2011	42.81	43.49	42.71	43.30	384,635	+0.37(+0.87%)
Feb 16, 2011	42.87	43.03	42.58	42.93	314,041	+0.27(+0.62%)
Feb 15, 2011	42.55	42.92	42.46	42.66	328,075	-0.02(-0.04%)
Feb 14, 2011	42.64	42.97	42.34	42.68	473,645	-0.04(-0.10%)
Feb 11, 2011	42.05	42.79	42.05	42.72	336,217	+0.54(+1.27%)
Feb 10, 2011	41.68	42.47	41.55	42.18	432,082	+0.28(+0.68%)
Feb 09, 2011	42.08	42.25	41.53	41.90	198,566	-0.44(-1.04%)
Feb 08, 2011	42.43	42.65	42.18	42.34	269,610	-0.09(-0.21%)
Feb 07, 2011	41.87	42.69	41.87	42.43	430,223	+0.58(+1.37%)
Feb 04, 2011	41.82	42.14	41.52	41.86	331,739	+0.06(+0.14%)
Feb 03, 2011	41.69	41.97	41.21	41.80	231,484	+0.10(+0.24%)
Feb 02, 2011	41.27	42.14	41.27	41.70	402,023	+0.25(+0.61%)
Feb 01, 2011	40.53	41.58	40.14	41.45	507,892	+1.22(+3.04%)
Jan 31, 2011	40.29	40.85	39.81	40.22	299,625	+0.10(+0.26%)
Jan 28, 2011	40.60	40.96	39.76	40.12	488,314	-0.58(-1.43%)
Jan 27, 2011	40.82	41.04	40.33	40.70	304,820	-0.04(-0.10%)
Jan 26, 2011	39.97	40.83	39.68	40.74	366,193	+1.02(+2.56%)
Jan 25, 2011	39.52	39.73	38.99	39.73	327,599	-0.10(-0.25%)
Jan 24, 2011	39.05	40.04	39.00	39.83	271,528	+0.85(+2.17%)
Jan 21, 2011	39.61	39.76	38.94	38.98	547,949	-0.34(-0.86%)
Jan 20, 2011	39.47	39.94	38.89	39.32	335,278	-0.46(-1.16%)
Jan 19, 2011	40.70	40.70	39.55	39.78	436,949	-0.99(-2.44%)
Jan 18, 2011	40.56	40.80	40.13	40.78	792,304	+0.01(+0.03%)
Jan 14, 2011	40.79	41.08	40.44	40.76	390,505	-0.12(-0.30%)
Jan 13, 2011	40.89	41.27	40.57	40.89	208,925	-0.12(-0.29%)
Jan 12, 2011	41.40	41.40	40.80	41.00	299,960	+0.10(+0.26%)
Jan 11, 2011	40.86	41.12	40.57	40.90	347,629	+0.14(+0.34%)
Jan 10, 2011	39.61	40.83	39.26	40.76	488,247	+0.84(+2.10%)
Jan 07, 2011	40.35	40.69	39.15	39.92	258,179	-0.24(-0.60%)
Jan 06, 2011	40.77	40.89	39.88	40.16	259,289	-0.66(-1.61%)
Jan 05, 2011	40.52	41.02	40.17	40.82	286,369	+0.17(+0.41%)
Jan 04, 2011	41.75	41.75	40.20	40.66	408,013	-0.81(-1.95%)
Jan 03, 2011	40.56	41.67	40.56	41.47	741,593	+1.43(+3.57%)
Dec 31, 2010	40.38	40.66	40.04	40.04	284,180	-0.39(-0.97%)
Dec 30, 2010	40.48	40.96	40.21	40.43	167,016	-0.16(-0.39%)
Dec 29, 2010	40.85	40.85	40.42	40.59	118,960	-0.13(-0.33%)
Dec 28, 2010	41.01	41.23	40.30	40.72	328,657	-0.29(-0.70%)
Dec 27, 2010	40.68	41.16	40.54	41.01	115,470	+0.24(+0.60%)
Dec 23, 2010	40.96	41.23	40.59	40.76	242,642	-0.24(-0.60%)
Dec 22, 2010	41.03	41.19	40.86	41.01	487,513	-0.04(-0.11%)
Dec 21, 2010	40.52	41.08	40.29	41.05	443,990	+0.76(+1.89%)
Dec 20, 2010	39.82	40.52	39.69	40.29	621,955	+0.54(+1.36%)
Dec 17, 2010	39.22	40.14	38.99	39.75	1,536,477	+0.36(+0.92%)
Dec 16, 2010	39.34	39.56	38.80	39.39	1,510,047	+1.49(+3.93%)
Dec 15, 2010	38.04	38.60	37.89	37.90	572,457	-0.20(-0.52%)
Dec 14, 2010	38.19	38.30	37.95	38.10	556,723	+0.07(+0.18%)
Dec 13, 2010	38.39	38.54	37.94	38.03	373,137	-0.24(-0.62%)
Dec 10, 2010	37.32	38.33	37.27	38.27	269,624	+0.98(+2.62%)
Dec 09, 2010	37.97	38.19	37.23	37.29	577,191	-0.30(-0.79%)
Dec 08, 2010	37.59	38.06	37.50	37.58	303,256	-0.08(-0.21%)
Dec 07, 2010	38.14	38.77	37.49	37.66	624,721	-0.14(-0.37%)
Dec 06, 2010	36.86	37.86	36.81	37.80	396,438	+0.57(+1.52%)
Dec 03, 2010	36.48	37.37	36.48	37.24	283,154	+0.57(+1.54%)
Dec 02, 2010	35.73	36.71	35.55	36.67	277,599	+0.92(+2.57%)

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