Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	22.75	22.91	22.52	22.52	28,701	-0.18(-0.79%)
Feb 28, 2012	22.56	22.76	22.56	22.70	13,105	+0.20(+0.89%)
Feb 27, 2012	22.34	22.57	22.33	22.50	26,347	+0.31(+1.40%)
Feb 24, 2012	22.15	22.47	22.15	22.19	17,778	-0.26(-1.16%)
Feb 23, 2012	22.28	22.45	22.28	22.45	16,690	+0.28(+1.26%)
Feb 22, 2012	22.07	22.17	22.06	22.17	21,103	+0.22(+1.00%)
Feb 21, 2012	21.89	22.09	21.89	21.95	33,871	+0.08(+0.37%)
Feb 17, 2012	21.85	22.27	21.85	21.87	9,210	+0.10(+0.46%)
Feb 16, 2012	21.63	21.85	21.63	21.77	17,400	-0.06(-0.27%)
Feb 15, 2012	21.80	21.97	21.78	21.83	21,512	+0.34(+1.58%)
Feb 14, 2012	21.67	21.69	21.40	21.49	13,984	-0.10(-0.46%)
Feb 13, 2012	21.40	21.67	21.40	21.59	16,629	+0.09(+0.42%)
Feb 10, 2012	21.50	21.52	21.41	21.50	31,191	-0.05(-0.23%)
Feb 09, 2012	21.51	21.67	21.51	21.55	39,251	-0.10(-0.46%)
Feb 08, 2012	21.66	21.96	21.62	21.65	39,399	-0.15(-0.69%)
Feb 07, 2012	21.63	21.80	21.63	21.80	25,311	+0.24(+1.11%)
Feb 06, 2012	21.55	21.69	21.50	21.56	13,712	-0.23(-1.06%)
Feb 03, 2012	21.70	21.83	21.70	21.79	18,788	-0.07(-0.32%)
Feb 02, 2012	21.74	21.90	21.74	21.86	11,086	+0.23(+1.06%)
Feb 01, 2012	21.56	21.90	21.56	21.63	23,132	-0.04(-0.18%)
Jan 31, 2012	21.55	21.83	21.55	21.67	57,826	-0.04(-0.18%)
Jan 30, 2012	21.60	21.78	21.60	21.71	16,158	+0.07(+0.32%)
Jan 27, 2012	21.41	21.64	21.41	21.64	2,203,750	+0.24(+1.12%)
Jan 26, 2012	21.28	21.49	21.28	21.40	17,150	+0.00(+0.00%)
Jan 25, 2012	21.08	21.45	21.08	21.40	13,631	+0.19(+0.90%)
Jan 24, 2012	21.08	21.31	21.08	21.21	15,483	+0.07(+0.33%)
Jan 23, 2012	21.04	21.24	21.04	21.14	83,511	+0.03(+0.14%)
Jan 20, 2012	21.19	21.19	20.81	21.11	51,305	+0.15(+0.72%)
Jan 19, 2012	20.89	21.05	20.89	20.96	22,343	-0.19(-0.90%)
Jan 18, 2012	20.63	21.15	20.63	21.15	34,589	+0.53(+2.57%)
Jan 17, 2012	20.80	20.80	20.62	20.62	69,395	-0.23(-1.10%)
Jan 13, 2012	20.87	20.92	20.74	20.85	44,906	-0.21(-1.00%)
Jan 12, 2012	20.93	21.14	20.93	21.06	46,498	-0.33(-1.54%)
Jan 11, 2012	21.25	21.39	21.25	21.39	89,350	-0.26(-1.20%)
Jan 10, 2012	21.59	21.72	21.59	21.65	32,132	-0.03(-0.14%)
Jan 09, 2012	21.47	21.78	21.47	21.68	81,254	+0.03(+0.14%)
Jan 06, 2012	21.54	21.79	21.41	21.65	48,066	-0.22(-1.01%)
Jan 05, 2012	21.79	21.96	21.79	21.87	31,467	-0.33(-1.49%)
Jan 04, 2012	22.15	22.22	22.01	22.20	20,414	+0.15(+0.68%)
Dec 30, 2011	21.99	22.06	21.56	22.05	60,308	+0.49(+2.27%)
Dec 29, 2011	21.32	21.56	21.32	21.56	24,230	+0.42(+1.99%)
Dec 28, 2011	21.20	21.30	21.12	21.14	30,377	-0.02(-0.09%)
Dec 27, 2011	21.03	21.29	21.03	21.16	60,514	+0.04(+0.19%)
Dec 23, 2011	20.92	21.14	20.92	21.12	27,712	+0.34(+1.64%)
Dec 21, 2011	20.76	20.85	20.75	20.78	102,751	+0.13(+0.63%)
Dec 20, 2011	20.92	20.92	20.65	20.65	44,018	+0.14(+0.68%)
Dec 19, 2011	20.54	20.71	20.49	20.51	138,914	-0.23(-1.11%)
Dec 16, 2011	20.72	20.95	20.71	20.74	101,180	+0.21(+1.02%)
Dec 15, 2011	20.62	20.77	20.53	20.53	62,692	-0.22(-1.06%)
Dec 14, 2011	20.64	20.87	20.64	20.75	47,346	-0.15(-0.72%)
Dec 13, 2011	20.79	21.03	20.79	20.90	44,979	+0.27(+1.31%)
Dec 12, 2011	20.65	20.70	20.60	20.63	116,411	-0.06(-0.29%)
Dec 09, 2011	20.50	20.78	20.50	20.69	68,009	+0.03(+0.15%)
Dec 08, 2011	20.60	20.83	20.53	20.66	58,806	+0.14(+0.68%)
Dec 07, 2011	20.41	20.57	20.39	20.52	82,986	+0.27(+1.33%)
Dec 06, 2011	20.16	20.54	20.16	20.25	71,171	+0.07(+0.35%)
Dec 05, 2011	20.17	20.42	20.17	20.18	25,930	+0.42(+2.13%)
Dec 02, 2011	19.83	19.95	19.73	19.76	54,209	+0.08(+0.41%)

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