Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	49.18	49.59	48.37	48.64	382,877	-0.31(-0.63%)
Feb 25, 2011	47.86	48.99	47.53	48.95	339,597	+1.44(+3.03%)
Feb 24, 2011	46.96	48.07	46.28	47.51	556,941	+0.64(+1.37%)
Feb 23, 2011	48.52	49.10	46.39	46.87	686,237	-1.90(-3.90%)
Feb 22, 2011	50.81	50.81	48.60	48.77	510,412	-2.79(-5.41%)
Feb 18, 2011	51.36	52.54	50.98	51.56	452,475	+0.10(+0.19%)
Feb 17, 2011	50.52	51.71	50.18	51.46	648,160	+0.82(+1.62%)
Feb 16, 2011	50.98	51.17	50.18	50.64	483,958	-0.02(-0.04%)
Feb 15, 2011	51.05	51.31	50.43	50.66	318,791	-0.77(-1.50%)
Feb 14, 2011	51.20	51.71	51.02	51.43	339,605	-0.15(-0.29%)
Feb 11, 2011	50.91	51.77	50.06	51.58	325,980	+0.69(+1.36%)
Feb 10, 2011	50.70	51.16	50.04	50.89	365,765	-0.28(-0.55%)
Feb 09, 2011	50.99	51.43	50.33	51.17	528,574	-0.12(-0.23%)
Feb 08, 2011	49.21	51.30	49.02	51.29	565,124	+2.17(+4.42%)
Feb 07, 2011	49.42	49.84	49.04	49.12	512,309	-0.14(-0.28%)
Feb 04, 2011	48.94	49.51	48.26	49.26	702,428	+0.47(+0.96%)
Feb 03, 2011	48.01	50.29	47.34	48.79	2,010,412	+5.29(+12.16%)
Feb 02, 2011	43.60	43.70	43.02	43.50	578,671	-0.39(-0.89%)
Feb 01, 2011	43.62	44.31	43.62	43.89	380,160	+0.57(+1.32%)
Jan 31, 2011	42.89	43.93	42.87	43.32	473,003	+0.58(+1.36%)
Jan 28, 2011	44.17	44.64	42.66	42.74	452,819	-1.38(-3.13%)
Jan 27, 2011	44.31	44.53	43.75	44.12	874,023	-0.24(-0.54%)
Jan 26, 2011	44.57	45.07	44.13	44.36	456,529	-0.05(-0.11%)
Jan 25, 2011	44.84	45.33	43.63	44.41	605,644	-0.69(-1.53%)
Jan 24, 2011	44.31	45.66	44.29	45.10	422,465	+0.86(+1.94%)
Jan 21, 2011	45.22	45.22	44.08	44.24	451,246	-0.54(-1.21%)
Jan 20, 2011	44.92	45.07	44.38	44.78	514,443	-0.34(-0.75%)
Jan 19, 2011	45.85	46.09	44.97	45.12	507,405	-0.86(-1.87%)
Jan 18, 2011	45.97	46.06	45.50	45.98	556,188	-0.02(-0.04%)
Jan 14, 2011	45.84	46.19	45.71	46.00	412,268	+0.07(+0.15%)
Jan 13, 2011	46.69	46.72	45.63	45.93	491,064	-0.95(-2.03%)
Jan 12, 2011	46.07	46.90	45.73	46.88	609,283	+1.33(+2.92%)
Jan 11, 2011	45.92	46.42	45.16	45.55	1,059,121	-0.02(-0.04%)
Jan 10, 2011	43.88	45.74	43.80	45.57	1,328,623	+1.65(+3.76%)
Jan 07, 2011	45.08	45.27	43.41	43.92	996,607	-1.02(-2.27%)
Jan 06, 2011	46.35	46.35	44.84	44.94	718,877	-1.30(-2.81%)
Jan 05, 2011	45.74	46.61	45.40	46.24	564,787	+0.28(+0.61%)
Jan 04, 2011	47.69	47.76	45.73	45.96	541,637	-1.72(-3.61%)
Jan 03, 2011	47.04	47.83	47.04	47.68	396,523	+1.38(+2.98%)
Dec 31, 2010	46.55	46.85	45.94	46.30	346,594	-0.33(-0.71%)
Dec 30, 2010	46.91	47.08	46.54	46.63	145,926	-0.32(-0.68%)
Dec 29, 2010	46.80	47.10	46.48	46.95	200,575	+0.37(+0.79%)
Dec 28, 2010	47.17	47.17	46.17	46.58	280,284	-0.41(-0.87%)
Dec 27, 2010	46.77	47.18	46.66	46.99	473,154	+0.21(+0.45%)
Dec 23, 2010	47.86	47.87	46.54	46.78	388,205	-1.15(-2.40%)
Dec 22, 2010	48.07	48.20	47.24	47.93	477,860	-0.08(-0.17%)
Dec 21, 2010	47.78	48.22	47.36	48.01	429,075	+0.51(+1.07%)
Dec 20, 2010	48.12	48.12	47.07	47.50	482,554	-0.30(-0.63%)
Dec 17, 2010	47.53	48.06	47.45	47.80	606,842	+0.20(+0.42%)
Dec 16, 2010	46.60	47.67	46.44	47.60	438,265	+1.18(+2.54%)
Dec 15, 2010	46.64	47.09	46.31	46.42	636,798	-0.25(-0.54%)
Dec 14, 2010	47.29	47.42	46.41	46.67	528,552	-0.59(-1.25%)
Dec 13, 2010	48.50	48.61	47.08	47.26	650,126	-1.11(-2.29%)
Dec 10, 2010	47.94	48.56	47.58	48.37	391,988	+0.46(+0.96%)
Dec 09, 2010	47.43	48.00	46.91	47.91	804,072	+0.91(+1.94%)
Dec 08, 2010	47.21	47.77	46.48	47.00	948,303	+0.01(+0.02%)
Dec 07, 2010	48.41	48.88	46.84	46.99	1,105,399	-0.41(-0.86%)
Dec 06, 2010	47.29	47.91	47.04	47.40	532,049	-0.21(-0.44%)
Dec 03, 2010	46.42	47.72	46.37	47.61	667,079	+0.91(+1.95%)
Dec 02, 2010	46.09	47.22	45.86	46.70	1,047,131	+0.50(+1.08%)

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