Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	59.85	60.99	58.56	59.50	366,558	-0.02(-0.03%)
Feb 25, 2011	57.50	59.54	57.43	59.52	219,199	+2.46(+4.31%)
Feb 24, 2011	57.84	58.58	56.93	57.06	324,232	+0.95(+1.69%)
Feb 23, 2011	55.00	57.95	54.89	56.11	505,113	+1.35(+2.46%)
Feb 22, 2011	58.50	58.50	54.60	54.76	552,593	-2.66(-4.63%)
Feb 18, 2011	57.83	58.11	56.95	57.42	238,406	-0.23(-0.40%)
Feb 17, 2011	56.70	57.77	56.61	57.65	218,084	+0.82(+1.44%)
Feb 16, 2011	56.39	57.46	56.39	56.83	340,339	+0.63(+1.12%)
Feb 15, 2011	55.68	56.26	55.62	56.20	382,843	+0.33(+0.59%)
Feb 14, 2011	54.82	55.88	54.82	55.87	231,204	+1.07(+1.95%)
Feb 11, 2011	54.05	54.88	53.50	54.80	321,955	+0.40(+0.74%)
Feb 10, 2011	52.32	54.40	52.15	54.40	292,964	+1.96(+3.74%)
Feb 09, 2011	52.59	53.18	52.25	52.44	518,436	-0.46(-0.87%)
Feb 08, 2011	52.85	52.96	51.99	52.90	254,767	+0.00(+0.00%)
Feb 07, 2011	52.62	53.40	52.62	52.90	272,713	+0.54(+1.03%)
Feb 04, 2011	52.89	52.92	51.79	52.36	135,645	-0.34(-0.65%)
Feb 03, 2011	52.74	52.93	52.13	52.70	224,718	+0.09(+0.17%)
Feb 02, 2011	52.00	53.24	51.83	52.61	375,301	+0.61(+1.17%)
Feb 01, 2011	51.87	52.21	51.64	52.00	497,256	+0.80(+1.56%)
Jan 31, 2011	50.37	51.61	50.07	51.20	612,941	+1.30(+2.61%)
Jan 28, 2011	50.57	50.70	49.83	49.90	227,477	-0.52(-1.03%)
Jan 27, 2011	50.39	50.70	50.25	50.42	332,003	+0.02(+0.04%)
Jan 26, 2011	48.92	50.66	48.92	50.40	325,627	+1.48(+3.03%)
Jan 25, 2011	48.40	48.92	48.18	48.92	208,509	-0.07(-0.14%)
Jan 24, 2011	48.45	49.13	48.26	48.99	159,067	+0.57(+1.18%)
Jan 21, 2011	49.31	49.52	48.24	48.42	211,168	-0.33(-0.68%)
Jan 20, 2011	49.21	49.22	48.05	48.75	294,013	-0.77(-1.55%)
Jan 19, 2011	50.12	50.29	49.40	49.52	232,789	-0.59(-1.18%)
Jan 18, 2011	49.90	50.19	49.62	50.11	402,748	+0.07(+0.14%)
Jan 14, 2011	50.05	50.26	49.85	50.04	273,594	-0.01(-0.02%)
Jan 13, 2011	50.22	50.65	50.00	50.05	638,399	+0.02(+0.04%)
Jan 12, 2011	50.56	50.76	49.83	50.03	356,153	+0.03(+0.06%)
Jan 11, 2011	49.36	50.48	49.36	50.00	823,968	+1.16(+2.38%)
Jan 10, 2011	48.29	49.03	47.69	48.84	505,884	+0.37(+0.76%)
Jan 07, 2011	48.08	49.28	47.83	48.47	652,594	+1.15(+2.43%)
Jan 06, 2011	46.34	47.48	46.10	47.32	470,660	+1.04(+2.25%)
Jan 05, 2011	45.57	46.34	44.84	46.28	324,382	+0.40(+0.87%)
Jan 04, 2011	46.98	47.09	45.16	45.88	208,618	-0.83(-1.78%)
Jan 03, 2011	46.74	47.00	46.27	46.71	309,599	+0.23(+0.49%)
Dec 31, 2010	46.27	46.97	45.92	46.48	189,587	+0.20(+0.43%)
Dec 30, 2010	46.09	46.86	46.09	46.28	149,719	+0.13(+0.28%)
Dec 29, 2010	45.76	46.32	45.73	46.15	113,002	+0.47(+1.03%)
Dec 28, 2010	45.53	45.77	45.47	45.68	72,995	+0.23(+0.51%)
Dec 27, 2010	45.46	45.61	45.17	45.45	96,498	-0.18(-0.39%)
Dec 23, 2010	45.61	45.93	45.46	45.63	137,945	-0.05(-0.11%)
Dec 22, 2010	45.75	46.00	45.41	45.68	129,158	+0.05(+0.11%)
Dec 21, 2010	45.60	45.84	45.38	45.63	205,902	+0.24(+0.53%)
Dec 20, 2010	45.12	45.50	44.69	45.39	218,283	+0.40(+0.89%)
Dec 17, 2010	45.07	45.44	44.57	44.99	322,231	+0.00(+0.00%)
Dec 16, 2010	44.81	45.12	44.47	44.99	322,193	+0.08(+0.18%)
Dec 15, 2010	44.91	46.22	44.70	44.91	284,632	-0.27(-0.60%)
Dec 14, 2010	45.52	45.61	44.87	45.18	295,860	-0.21(-0.46%)
Dec 13, 2010	45.33	45.81	45.18	45.39	442,843	+0.46(+1.02%)
Dec 10, 2010	44.72	45.00	44.31	44.93	261,252	+0.24(+0.54%)
Dec 09, 2010	44.28	44.77	44.07	44.69	412,783	+0.69(+1.57%)
Dec 08, 2010	43.73	44.09	43.22	44.00	338,658	+0.28(+0.64%)
Dec 07, 2010	43.99	44.19	43.37	43.72	312,703	+0.20(+0.46%)
Dec 06, 2010	43.57	43.69	43.32	43.52	201,794	-0.26(-0.59%)
Dec 03, 2010	42.76	43.91	42.50	43.78	282,274	+0.69(+1.60%)
Dec 02, 2010	41.45	43.22	41.12	43.09	408,659	+1.72(+4.16%)

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