Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	20.98	21.26	20.98	21.18	29,733	+0.13(+0.62%)
Apr 27, 2012	21.00	21.10	20.98	21.05	35,371	+0.09(+0.43%)
Apr 26, 2012	20.76	20.96	20.76	20.96	17,354	+0.20(+0.96%)
Apr 25, 2012	20.72	20.88	20.72	20.76	47,363	+0.14(+0.68%)
Apr 24, 2012	20.53	20.77	20.50	20.62	87,595	-0.03(-0.15%)
Apr 23, 2012	20.78	20.78	20.45	20.65	76,328	-0.29(-1.38%)
Apr 20, 2012	21.23	21.29	20.88	20.94	59,877	-0.32(-1.51%)
Apr 19, 2012	21.21	21.31	21.18	21.26	26,861	+0.08(+0.38%)
Apr 18, 2012	21.28	21.30	21.16	21.18	60,751	-0.12(-0.56%)
Apr 17, 2012	21.47	21.48	21.30	21.30	69,448	-0.05(-0.23%)
Apr 16, 2012	21.19	21.38	21.16	21.35	46,919	+0.19(+0.90%)
Apr 13, 2012	21.24	21.33	21.06	21.16	47,437	-0.17(-0.80%)
Apr 12, 2012	20.70	21.42	20.70	21.33	65,173	+0.56(+2.70%)
Apr 11, 2012	20.89	20.97	20.71	20.77	122,380	-0.06(-0.29%)
Apr 10, 2012	21.07	21.15	20.83	20.83	103,378	-0.35(-1.65%)
Apr 09, 2012	21.27	21.29	21.15	21.18	68,901	-0.16(-0.75%)
Apr 05, 2012	21.28	21.42	21.28	21.34	49,309	-0.02(-0.09%)
Apr 04, 2012	21.31	21.39	21.27	21.36	58,260	-0.07(-0.33%)
Apr 03, 2012	21.39	21.49	21.37	21.43	32,808	-0.04(-0.19%)
Apr 02, 2012	21.50	21.58	21.44	21.47	128,814	-0.01(-0.05%)
Mar 30, 2012	21.31	21.61	21.31	21.48	106,878	+0.17(+0.80%)
Mar 29, 2012	21.35	21.42	21.22	21.31	90,243	-0.21(-0.98%)
Mar 28, 2012	21.69	21.69	21.40	21.52	71,877	-0.36(-1.65%)
Mar 27, 2012	21.88	21.95	21.86	21.88	92,249	-0.10(-0.45%)
Mar 26, 2012	21.94	22.01	21.90	21.98	66,101	+0.04(+0.18%)
Mar 23, 2012	21.86	21.98	21.81	21.94	71,723	+0.05(+0.23%)
Mar 22, 2012	21.80	21.92	21.80	21.89	127,396	-0.04(-0.18%)
Mar 21, 2012	21.90	22.00	21.84	21.93	71,212	+0.03(+0.14%)
Mar 20, 2012	21.77	21.91	21.74	21.90	59,654	+0.02(+0.09%)
Mar 19, 2012	21.76	22.00	21.76	21.88	69,087	+0.09(+0.41%)
Mar 16, 2012	21.87	21.87	21.71	21.79	74,754	-0.08(-0.37%)
Mar 15, 2012	21.83	21.90	21.46	21.87	88,750	-0.03(-0.14%)
Mar 14, 2012	21.93	22.05	21.82	21.90	142,641	-0.07(-0.32%)
Mar 13, 2012	21.72	22.06	21.71	21.97	117,824	+0.25(+1.15%)
Mar 12, 2012	21.47	21.77	21.43	21.72	75,290	+0.22(+1.02%)
Mar 09, 2012	21.35	21.62	21.35	21.50	72,451	+0.16(+0.75%)
Mar 08, 2012	21.11	21.45	21.11	21.34	50,075	+0.32(+1.52%)
Mar 07, 2012	20.84	21.17	20.84	21.02	62,874	+0.23(+1.11%)
Mar 06, 2012	21.15	21.15	20.73	20.79	69,726	-0.58(-2.71%)
Mar 05, 2012	21.53	21.53	21.36	21.37	69,623	-0.16(-0.74%)
Mar 02, 2012	21.43	21.55	21.38	21.53	64,657	+0.07(+0.33%)
Mar 01, 2012	21.30	21.50	21.25	21.46	93,615	+0.16(+0.75%)
Feb 29, 2012	21.12	21.35	21.10	21.30	83,203	+0.17(+0.81%)
Feb 28, 2012	20.92	21.14	20.81	21.13	60,488	+0.28(+1.34%)
Feb 27, 2012	20.81	20.98	20.71	20.85	154,276	+0.00(+0.00%)
Feb 24, 2012	20.68	20.88	20.63	20.85	93,348	+0.17(+0.82%)
Feb 23, 2012	20.49	20.68	20.49	20.68	22,456	+0.13(+0.63%)
Feb 22, 2012	20.55	20.58	20.48	20.55	50,120	+0.00(+0.00%)
Feb 21, 2012	20.55	20.59	20.50	20.55	45,771	+0.03(+0.15%)
Feb 17, 2012	20.27	20.60	20.27	20.52	120,094	+0.17(+0.84%)
Feb 16, 2012	20.28	20.39	20.11	20.35	60,016	-0.05(-0.25%)
Feb 15, 2012	20.33	20.52	20.32	20.40	60,311	+0.08(+0.39%)
Feb 14, 2012	20.09	20.38	20.04	20.32	77,672	+0.17(+0.84%)
Feb 13, 2012	19.85	20.15	19.85	20.15	75,442	+0.43(+2.18%)
Feb 10, 2012	19.81	19.95	19.66	19.72	77,797	-0.33(-1.65%)
Feb 09, 2012	20.24	20.38	19.79	20.05	299,126	-0.05(-0.25%)
Feb 08, 2012	19.58	20.13	19.58	20.10	90,855	+0.52(+2.66%)
Feb 07, 2012	19.43	19.66	19.43	19.58	61,548	+0.09(+0.46%)
Feb 06, 2012	19.41	19.55	19.40	19.49	62,821	+0.02(+0.10%)
Feb 03, 2012	19.25	19.50	19.20	19.47	60,455	+0.31(+1.60%)
Feb 02, 2012	19.09	19.23	19.06	19.16	72,054	+0.12(+0.65%)

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