Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	18.77	18.77	18.52	18.70	30,002	+0.12(+0.66%)
May 30, 2012	18.66	18.68	18.52	18.58	30,006	-0.27(-1.42%)
May 29, 2012	18.82	18.91	18.70	18.85	21,913	+0.19(+1.03%)
May 25, 2012	18.75	18.75	18.64	18.66	9,527	-0.05(-0.28%)
May 24, 2012	18.79	18.84	18.61	18.71	37,250	-0.09(-0.48%)
May 23, 2012	18.66	18.81	18.51	18.80	66,873	-0.18(-0.92%)
May 22, 2012	19.19	19.32	18.93	18.97	71,219	-0.15(-0.78%)
May 21, 2012	18.69	19.14	18.81	19.12	31,502	+0.43(+2.30%)
May 18, 2012	18.99	18.99	18.63	18.69	84,965	-0.17(-0.90%)
May 17, 2012	19.07	19.09	18.86	18.86	132,524	-0.21(-1.12%)
May 16, 2012	19.18	19.28	19.05	19.08	94,756	-0.18(-0.94%)
May 15, 2012	19.39	19.47	19.24	19.26	40,573	-0.38(-1.94%)
May 14, 2012	19.63	19.72	19.55	19.64	44,789	-0.19(-0.97%)
May 11, 2012	19.79	19.99	19.79	19.83	16,947	-0.16(-0.81%)
May 10, 2012	20.14	20.16	19.99	19.99	36,907	+0.08(+0.39%)
May 09, 2012	19.79	19.96	19.77	19.92	14,015	+0.02(+0.10%)
May 08, 2012	19.89	19.92	19.70	19.90	125,379	-0.20(-0.97%)
May 07, 2012	19.98	20.15	19.98	20.09	60,976	+0.11(+0.55%)
May 04, 2012	20.09	20.09	19.92	19.98	31,101	-0.40(-1.98%)
May 03, 2012	20.49	20.50	20.32	20.38	104,759	-0.55(-2.61%)
May 02, 2012	20.91	20.94	20.81	20.93	13,513	+0.08(+0.37%)
May 01, 2012	20.69	20.90	20.68	20.85	26,287	+0.23(+1.13%)
Apr 30, 2012	20.75	20.75	20.62	20.62	36,012	-0.09(-0.44%)
Apr 27, 2012	20.66	20.78	20.61	20.71	34,530	+0.13(+0.63%)
Apr 26, 2012	20.51	20.59	20.36	20.58	22,247	-0.11(-0.53%)
Apr 25, 2012	20.57	20.69	20.55	20.69	50,347	+0.23(+1.11%)
Apr 24, 2012	20.46	20.53	20.38	20.46	39,636	+0.17(+0.83%)
Apr 23, 2012	20.22	20.29	20.18	20.29	27,370	-0.11(-0.54%)
Apr 20, 2012	20.33	20.51	20.33	20.40	66,573	+0.02(+0.10%)
Apr 19, 2012	20.38	20.56	20.33	20.38	15,158	-0.07(-0.32%)
Apr 18, 2012	20.46	20.55	20.42	20.45	293,706	-0.06(-0.29%)
Apr 17, 2012	20.36	20.56	20.32	20.51	44,345	+0.23(+1.15%)
Apr 16, 2012	20.33	20.36	20.20	20.27	39,330	-0.04(-0.19%)
Apr 13, 2012	20.55	20.55	20.30	20.31	90,879	-0.24(-1.17%)
Apr 12, 2012	20.36	20.58	20.36	20.55	16,004	+0.40(+1.97%)
Apr 11, 2012	20.26	20.28	20.12	20.16	28,101	+0.17(+0.85%)
Apr 10, 2012	20.25	20.28	19.96	19.99	54,758	-0.07(-0.36%)
Apr 09, 2012	20.04	20.15	19.98	20.06	37,465	-0.08(-0.40%)
Apr 05, 2012	20.09	20.21	20.01	20.14	92,016	-0.00(-0.02%)
Apr 04, 2012	20.18	20.18	20.07	20.14	17,813	-0.19(-0.93%)
Apr 03, 2012	20.41	20.49	20.22	20.33	48,341	-0.29(-1.39%)
Apr 02, 2012	20.50	20.69	20.38	20.62	53,235	+0.04(+0.19%)
Mar 30, 2012	20.61	20.61	20.53	20.58	40,464	+0.23(+1.15%)
Mar 29, 2012	20.23	20.35	20.22	20.35	14,475	+0.11(+0.54%)
Mar 28, 2012	20.40	20.40	20.20	20.23	32,978	-0.25(-1.24%)
Mar 27, 2012	20.56	20.60	20.46	20.49	22,172	-0.11(-0.54%)
Mar 26, 2012	20.49	20.60	20.40	20.60	79,476	+0.36(+1.77%)
Mar 23, 2012	20.01	20.25	19.96	20.24	36,512	+0.15(+0.74%)
Mar 22, 2012	20.01	20.14	19.93	20.09	39,993	-0.36(-1.75%)
Mar 21, 2012	20.39	20.45	20.27	20.45	29,130	+0.06(+0.29%)
Mar 20, 2012	20.34	20.46	20.32	20.39	62,442	-0.26(-1.26%)
Mar 19, 2012	20.52	20.73	20.50	20.65	59,950	-0.03(-0.13%)
Mar 16, 2012	20.68	20.74	20.61	20.68	27,175	-0.03(-0.13%)
Mar 15, 2012	20.58	20.77	20.48	20.70	90,944	+0.47(+2.35%)
Mar 14, 2012	20.40	20.44	20.19	20.23	82,936	-0.30(-1.46%)
Mar 13, 2012	20.44	20.55	20.32	20.53	32,049	+0.26(+1.28%)
Mar 12, 2012	20.22	20.27	20.12	20.27	35,095	+0.07(+0.35%)
Mar 09, 2012	20.12	20.30	20.11	20.20	81,515	+0.14(+0.71%)
Mar 08, 2012	19.99	20.12	19.96	20.05	74,247	+0.21(+1.05%)
Mar 07, 2012	19.68	19.90	19.68	19.84	284,483	+0.40(+2.07%)
Mar 06, 2012	19.52	19.52	19.40	19.44	57,042	-0.22(-1.10%)
Mar 05, 2012	19.79	19.80	19.64	19.66	25,726	-0.08(-0.38%)
Mar 02, 2012	19.84	19.86	19.68	19.73	11,207	-0.03(-0.16%)

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