Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	20.94	21.10	20.93	21.10	2,457	-0.09(-0.42%)
May 30, 2012	21.25	21.25	21.07	21.19	6,020	-0.17(-0.78%)
May 29, 2012	21.46	21.46	21.35	21.35	747	+0.03(+0.15%)
May 25, 2012	21.31	21.34	21.28	21.32	3,864	+0.11(+0.51%)
May 24, 2012	21.29	21.29	21.11	21.21	4,353	+0.01(+0.05%)
May 23, 2012	20.99	21.20	20.90	21.20	13,684	+0.05(+0.24%)
May 22, 2012	21.23	21.27	21.14	21.15	23,180	+0.04(+0.20%)
May 21, 2012	20.64	21.11	20.64	21.11	3,107	+0.52(+2.50%)
May 18, 2012	20.87	20.90	20.60	20.60	4,635	-0.27(-1.31%)
May 17, 2012	21.25	21.34	20.87	20.87	3,692	-0.49(-2.28%)
May 16, 2012	21.47	21.53	21.36	21.36	1,758	-0.02(-0.11%)
May 15, 2012	21.51	21.63	21.36	21.38	8,270	-0.12(-0.54%)
May 14, 2012	21.44	21.57	21.44	21.50	5,795	-0.17(-0.79%)
May 11, 2012	21.51	21.83	21.51	21.67	10,438	+0.09(+0.40%)
May 10, 2012	21.60	21.70	21.58	21.58	12,359	+0.07(+0.35%)
May 09, 2012	21.30	21.54	21.29	21.50	30,441	-0.16(-0.73%)
May 08, 2012	21.65	21.66	21.28	21.66	3,622	-0.23(-1.07%)
May 07, 2012	21.71	21.93	21.71	21.90	8,774	+0.19(+0.89%)
May 04, 2012	21.89	21.89	21.70	21.71	9,737	-0.39(-1.78%)
May 03, 2012	22.48	22.48	22.10	22.10	58,760	-0.50(-2.22%)
May 02, 2012	22.45	22.60	22.40	22.60	11,475	+0.02(+0.08%)
May 01, 2012	22.69	22.69	22.58	22.58	10,777	+0.12(+0.54%)
Apr 30, 2012	22.43	22.52	22.40	22.46	60,808	+0.01(+0.04%)
Apr 27, 2012	22.38	22.47	22.38	22.45	5,626	+0.45(+2.07%)
Apr 26, 2012	21.92	22.03	21.92	22.00	1,855	+0.07(+0.34%)
Apr 25, 2012	21.76	21.92	21.76	21.92	3,170	+0.28(+1.29%)
Apr 24, 2012	21.66	21.74	21.64	21.64	2,015	-0.07(-0.30%)
Apr 23, 2012	21.72	21.72	21.58	21.71	2,692	-0.23(-1.06%)
Apr 20, 2012	22.02	22.07	21.94	21.94	3,555	-0.02(-0.08%)
Apr 19, 2012	22.06	22.06	21.90	21.96	3,393	-0.14(-0.63%)
Apr 18, 2012	22.02	22.10	22.02	22.10	538	+0.04(+0.18%)
Apr 17, 2012	21.91	22.10	21.91	22.06	1,376	+0.35(+1.60%)
Apr 16, 2012	21.76	21.76	21.63	21.71	11,028	-0.16(-0.72%)
Apr 13, 2012	21.90	21.98	21.87	21.87	4,266	-0.19(-0.88%)
Apr 12, 2012	21.80	22.07	21.80	22.06	1,181	+0.27(+1.24%)
Apr 11, 2012	21.89	21.89	21.77	21.79	3,567	+0.18(+0.84%)
Apr 10, 2012	21.88	21.93	21.56	21.61	33,170	-0.46(-2.08%)
Apr 09, 2012	22.07	22.07	21.96	22.07	3,976	-0.22(-0.97%)
Apr 05, 2012	22.20	22.30	22.20	22.28	7,005	+0.12(+0.54%)
Apr 04, 2012	22.37	22.37	22.14	22.16	3,726	-0.28(-1.24%)
Apr 03, 2012	22.49	22.54	22.41	22.44	2,121	-0.10(-0.45%)
Apr 02, 2012	22.36	22.59	22.33	22.54	7,156	+0.14(+0.62%)
Mar 30, 2012	22.29	22.46	22.29	22.41	4,249	+0.03(+0.12%)
Mar 29, 2012	22.28	22.38	22.18	22.38	3,858	-0.06(-0.25%)
Mar 28, 2012	22.69	22.69	22.30	22.43	10,200	-0.30(-1.31%)
Mar 27, 2012	22.74	22.75	22.70	22.73	7,696	+0.01(+0.04%)
Mar 26, 2012	22.58	22.72	22.58	22.72	1,005	+0.33(+1.49%)
Mar 23, 2012	22.32	22.39	22.32	22.39	5,446	-0.03(-0.14%)
Mar 22, 2012	22.28	22.43	22.28	22.42	15,059	-0.14(-0.60%)
Mar 21, 2012	22.45	22.56	22.43	22.55	4,145	+0.13(+0.58%)
Mar 20, 2012	22.34	22.43	22.34	22.42	4,427	-0.06(-0.29%)
Mar 19, 2012	22.38	22.54	22.38	22.49	6,103	+0.09(+0.41%)
Mar 16, 2012	22.41	22.44	22.40	22.40	1,921	+0.00(+0.01%)
Mar 15, 2012	22.30	22.39	22.30	22.39	2,322	+0.15(+0.66%)
Mar 14, 2012	22.39	22.39	22.25	22.25	4,191	-0.03(-0.13%)
Mar 13, 2012	22.22	22.28	22.21	22.28	760	+0.20(+0.93%)
Mar 12, 2012	22.18	22.20	22.06	22.07	3,487	-0.12(-0.52%)
Mar 09, 2012	22.12	22.20	22.09	22.19	5,735	+0.12(+0.52%)
Mar 08, 2012	21.95	22.08	21.95	22.07	2,625	+0.23(+1.06%)
Mar 07, 2012	21.77	21.84	21.74	21.84	1,227	+0.11(+0.50%)
Mar 06, 2012	21.82	21.83	21.70	21.73	52,033	-0.35(-1.59%)
Mar 05, 2012	22.18	22.27	22.00	22.08	13,967	-0.15(-0.67%)
Mar 02, 2012	22.22	22.28	22.18	22.23	14,086	+0.06(+0.29%)

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