Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	21.24	21.41	21.14	21.21	16,902	+0.01(+0.04%)
Feb 28, 2012	21.11	21.22	20.84	21.20	19,807	+0.23(+1.12%)
Feb 27, 2012	21.15	21.19	20.84	20.97	47,056	-0.22(-1.03%)
Feb 24, 2012	21.05	21.19	21.00	21.18	70,214	+0.13(+0.61%)
Feb 23, 2012	21.16	21.16	21.03	21.06	19,213	+0.08(+0.39%)
Feb 22, 2012	20.99	21.03	20.94	20.98	26,907	-0.04(-0.19%)
Feb 21, 2012	21.20	21.20	21.02	21.02	15,647	-0.05(-0.23%)
Feb 17, 2012	21.06	21.06	20.93	21.06	12,534	+0.06(+0.27%)
Feb 16, 2012	20.84	21.08	20.84	21.01	12,820	+0.04(+0.20%)
Feb 15, 2012	21.10	21.10	20.91	20.96	43,764	+0.03(+0.13%)
Feb 14, 2012	21.10	21.12	20.88	20.94	21,096	-0.14(-0.67%)
Feb 13, 2012	21.44	21.44	20.99	21.08	10,652	+0.12(+0.58%)
Feb 10, 2012	21.85	21.85	20.94	20.96	29,673	-0.33(-1.55%)
Feb 09, 2012	21.33	21.33	21.18	21.29	14,567	-0.06(-0.30%)
Feb 08, 2012	21.61	21.61	21.14	21.35	22,355	+0.23(+1.07%)
Feb 07, 2012	21.20	21.30	21.13	21.13	11,529	-0.07(-0.34%)
Feb 06, 2012	21.23	21.26	21.10	21.20	26,302	+0.02(+0.11%)
Feb 03, 2012	21.25	21.27	21.18	21.18	16,208	+0.17(+0.81%)
Feb 02, 2012	21.06	21.09	21.01	21.01	12,663	-0.02(-0.08%)
Feb 01, 2012	20.99	21.08	20.99	21.03	6,647	+0.12(+0.55%)
Jan 31, 2012	20.87	20.94	20.87	20.91	19,514	+0.10(+0.50%)
Jan 30, 2012	20.88	20.93	20.79	20.81	25,811	-0.06(-0.27%)
Jan 27, 2012	20.85	20.93	20.83	20.86	29,700	+0.01(+0.04%)
Jan 26, 2012	20.98	21.00	20.85	20.85	18,251	-0.11(-0.54%)
Jan 25, 2012	20.63	20.97	20.63	20.97	62,389	+0.12(+0.58%)
Jan 24, 2012	20.99	20.99	20.65	20.85	5,494	-0.06(-0.31%)
Jan 23, 2012	21.36	21.36	20.68	20.91	19,202	+0.11(+0.54%)
Jan 20, 2012	20.91	20.91	20.63	20.80	80,819	+0.07(+0.35%)
Jan 19, 2012	20.82	20.82	20.60	20.72	20,895	-0.00(-0.00%)
Jan 18, 2012	20.56	20.72	20.51	20.72	37,900	+0.27(+1.34%)
Jan 17, 2012	20.72	20.72	20.43	20.45	41,434	+0.02(+0.12%)
Jan 13, 2012	20.64	20.83	20.22	20.43	93,935	-0.21(-1.02%)
Jan 12, 2012	20.64	20.65	20.49	20.64	69,461	+0.10(+0.47%)
Jan 11, 2012	20.64	20.64	20.47	20.54	1,037,542	-0.15(-0.74%)
Jan 10, 2012	20.59	20.98	20.38	20.69	2,929,449	+0.39(+1.91%)
Jan 09, 2012	20.18	20.30	20.15	20.30	13,484	+0.12(+0.60%)
Jan 06, 2012	20.17	20.21	20.14	20.18	16,225	-0.06(-0.28%)
Jan 05, 2012	20.18	20.27	20.18	20.24	11,067	-0.13(-0.62%)
Jan 04, 2012	20.26	20.39	20.26	20.37	19,384	+0.17(+0.83%)
Dec 30, 2011	20.09	20.20	20.09	20.20	4,750	+0.18(+0.88%)
Dec 29, 2011	20.13	20.13	20.02	20.02	11,069	-0.07(-0.36%)
Dec 28, 2011	20.08	20.09	20.06	20.09	1,300	+0.00(+0.00%)
Dec 27, 2011	20.17	20.17	20.07	20.09	25,143	-0.18(-0.88%)
Dec 23, 2011	20.24	20.27	20.23	20.27	3,089	+0.22(+1.08%)
Dec 21, 2011	19.94	20.06	19.89	20.06	47,453	+0.10(+0.49%)
Dec 20, 2011	19.95	19.96	19.95	19.96	2,353	+0.29(+1.48%)
Dec 19, 2011	19.67	19.67	19.67	19.67	247	+0.06(+0.29%)
Dec 16, 2011	19.67	19.67	19.56	19.61	19,646	-0.02(-0.12%)
Dec 15, 2011	19.91	19.91	19.58	19.63	22,200	+0.13(+0.66%)
Dec 14, 2011	19.63	19.63	19.51	19.51	11,742	-0.24(-1.20%)
Dec 13, 2011	19.82	19.91	19.74	19.74	17,022	-0.12(-0.61%)
Dec 12, 2011	20.37	20.37	19.80	19.86	4,979	-0.26(-1.27%)
Dec 09, 2011	20.02	20.12	20.02	20.12	13,748	+0.10(+0.48%)
Dec 08, 2011	20.14	20.14	19.98	20.03	18,331	-0.16(-0.78%)
Dec 07, 2011	20.18	20.26	20.15	20.18	8,722	-0.05(-0.24%)
Dec 06, 2011	20.10	20.24	20.10	20.23	28,498	+0.13(+0.64%)
Dec 05, 2011	20.39	20.39	20.10	20.10	22,975	-0.03(-0.16%)
Dec 02, 2011	20.47	20.47	19.78	20.14	46,580	+0.10(+0.48%)

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