Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	48.40	49.01	47.30	47.67	556,656	-0.41(-0.85%)
Feb 25, 2011	48.05	48.60	47.59	48.07	586,721	+0.10(+0.21%)
Feb 24, 2011	47.24	48.92	47.07	47.97	922,572	+0.59(+1.25%)
Feb 23, 2011	48.10	49.71	46.15	47.38	2,514,343	+5.22(+12.39%)
Feb 22, 2011	43.23	43.77	42.03	42.15	358,527	-1.56(-3.57%)
Feb 18, 2011	43.68	43.79	43.29	43.71	591,199	+0.31(+0.70%)
Feb 17, 2011	42.91	43.60	42.81	43.41	383,676	+0.38(+0.87%)
Feb 16, 2011	42.98	43.14	42.69	43.03	313,258	+0.27(+0.62%)
Feb 15, 2011	42.65	43.03	42.57	42.77	327,256	-0.02(-0.04%)
Feb 14, 2011	42.75	43.08	42.44	42.78	472,464	-0.04(-0.10%)
Feb 11, 2011	42.15	42.90	42.15	42.83	335,378	+0.54(+1.27%)
Feb 10, 2011	41.78	42.57	41.65	42.29	431,004	+0.28(+0.68%)
Feb 09, 2011	42.18	42.36	41.63	42.01	198,071	-0.44(-1.04%)
Feb 08, 2011	42.53	42.75	42.29	42.45	268,937	-0.09(-0.21%)
Feb 07, 2011	41.97	42.79	41.97	42.54	429,150	+0.58(+1.37%)
Feb 04, 2011	41.92	42.25	41.62	41.96	330,912	+0.06(+0.14%)
Feb 03, 2011	41.80	42.07	41.32	41.91	230,907	+0.10(+0.24%)
Feb 02, 2011	41.38	42.24	41.38	41.81	401,021	+0.25(+0.61%)
Feb 01, 2011	40.63	41.68	40.24	41.55	506,625	+1.23(+3.04%)
Jan 31, 2011	40.39	40.95	39.91	40.32	298,877	+0.10(+0.26%)
Jan 28, 2011	40.70	41.06	39.86	40.22	487,096	-0.59(-1.43%)
Jan 27, 2011	40.92	41.15	40.43	40.80	304,060	-0.04(-0.10%)
Jan 26, 2011	40.07	40.93	39.78	40.84	365,280	+1.02(+2.56%)
Jan 25, 2011	39.62	39.83	39.09	39.83	326,782	-0.10(-0.25%)
Jan 24, 2011	39.15	40.14	39.10	39.93	270,851	+0.85(+2.17%)
Jan 21, 2011	39.70	39.86	39.04	39.08	546,583	-0.34(-0.86%)
Jan 20, 2011	39.57	40.04	38.98	39.42	334,442	-0.46(-1.16%)
Jan 19, 2011	40.80	40.80	39.65	39.88	435,860	-1.00(-2.44%)
Jan 18, 2011	40.66	40.90	40.23	40.88	790,328	+0.01(+0.03%)
Jan 14, 2011	40.89	41.18	40.54	40.87	389,531	-0.12(-0.30%)
Jan 13, 2011	40.99	41.38	40.67	40.99	208,404	-0.12(-0.29%)
Jan 12, 2011	41.50	41.50	40.90	41.11	299,212	+0.10(+0.26%)
Jan 11, 2011	40.97	41.22	40.67	41.00	346,762	+0.14(+0.34%)
Jan 10, 2011	39.70	40.93	39.35	40.86	487,030	+0.84(+2.10%)
Jan 07, 2011	40.45	40.79	39.25	40.02	257,535	-0.24(-0.60%)
Jan 06, 2011	40.87	40.99	39.98	40.26	258,643	-0.66(-1.61%)
Jan 05, 2011	40.63	41.12	40.27	40.92	285,655	+0.17(+0.41%)
Jan 04, 2011	41.86	41.86	40.30	40.76	406,995	-0.81(-1.95%)
Jan 03, 2011	40.67	41.77	40.67	41.57	739,744	+1.43(+3.57%)
Dec 31, 2010	40.48	40.76	40.14	40.14	283,471	-0.39(-0.97%)
Dec 30, 2010	40.58	41.06	40.31	40.53	166,599	-0.16(-0.39%)
Dec 29, 2010	40.95	40.95	40.53	40.69	118,664	-0.14(-0.33%)
Dec 28, 2010	41.11	41.33	40.40	40.82	327,838	-0.29(-0.70%)
Dec 27, 2010	40.78	41.26	40.64	41.11	115,182	+0.24(+0.60%)
Dec 23, 2010	41.06	41.33	40.69	40.87	242,037	-0.24(-0.60%)
Dec 22, 2010	41.13	41.29	40.96	41.11	486,297	-0.04(-0.11%)
Dec 21, 2010	40.62	41.18	40.39	41.15	442,883	+0.76(+1.89%)
Dec 20, 2010	39.92	40.62	39.79	40.39	620,404	+0.54(+1.36%)
Dec 17, 2010	39.32	40.24	39.09	39.85	1,532,646	+0.36(+0.92%)
Dec 16, 2010	39.44	39.66	38.90	39.49	1,506,281	+1.49(+3.93%)
Dec 15, 2010	38.13	38.70	37.99	37.99	571,029	-0.20(-0.52%)
Dec 14, 2010	38.29	38.40	38.05	38.19	555,335	+0.07(+0.18%)
Dec 13, 2010	38.49	38.64	38.03	38.12	372,206	-0.24(-0.62%)
Dec 10, 2010	37.42	38.42	37.37	38.36	268,952	+0.98(+2.62%)
Dec 09, 2010	38.06	38.29	37.32	37.38	575,751	-0.30(-0.79%)
Dec 08, 2010	37.69	38.15	37.59	37.68	302,499	-0.08(-0.21%)
Dec 07, 2010	38.24	38.87	37.58	37.76	623,163	-0.14(-0.37%)
Dec 06, 2010	36.95	37.96	36.91	37.90	395,450	+0.57(+1.52%)
Dec 03, 2010	36.57	37.46	36.57	37.33	282,448	+0.57(+1.54%)
Dec 02, 2010	35.82	36.81	35.64	36.76	276,907	+0.92(+2.57%)

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