Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	23.00	23.00	22.94	22.99	9,759	+0.02(+0.07%)
May 30, 2012	22.96	22.97	22.93	22.97	14,164	-0.02(-0.10%)
May 29, 2012	22.99	23.02	22.99	23.00	21,164	+0.05(+0.20%)
May 25, 2012	22.96	22.97	22.92	22.95	14,614	+0.00(+0.00%)
May 24, 2012	22.93	22.98	22.85	22.95	13,902	-0.02(-0.10%)
May 23, 2012	22.95	22.98	22.86	22.97	37,538	+0.02(+0.07%)
May 22, 2012	23.01	23.03	22.95	22.96	52,213	-0.04(-0.17%)
May 21, 2012	22.88	23.00	22.88	23.00	11,519	+0.11(+0.47%)
May 18, 2012	22.96	22.96	22.87	22.89	34,864	-0.05(-0.20%)
May 17, 2012	23.01	23.01	22.91	22.94	404,137	-0.09(-0.40%)
May 16, 2012	23.05	23.11	23.02	23.03	25,758	-0.03(-0.13%)
May 15, 2012	23.10	23.13	23.06	23.06	470,125	-0.04(-0.17%)
May 14, 2012	23.14	23.15	23.10	23.10	26,948	-0.08(-0.33%)
May 11, 2012	23.13	23.23	23.13	23.18	13,952	-0.01(-0.03%)
May 10, 2012	23.25	23.25	23.17	23.18	83,919	-0.02(-0.07%)
May 09, 2012	23.17	23.22	23.14	23.20	12,837	-0.06(-0.27%)
May 08, 2012	23.23	23.26	23.20	23.26	21,591	-0.05(-0.22%)
May 07, 2012	23.27	23.32	23.27	23.31	2,412	+0.03(+0.12%)
May 04, 2012	23.34	23.34	23.25	23.28	72,104	-0.06(-0.27%)
May 03, 2012	23.42	23.42	23.34	23.35	83,521	-0.06(-0.27%)
May 02, 2012	23.39	23.42	23.39	23.41	18,586	-0.04(-0.17%)
May 01, 2012	23.39	23.49	23.39	23.45	1,886,077	+0.04(+0.17%)
Apr 30, 2012	23.44	23.44	23.39	23.41	9,557	-0.02(-0.10%)
Apr 27, 2012	23.42	23.45	23.41	23.43	11,666	+0.01(+0.04%)
Apr 26, 2012	23.36	23.44	23.36	23.42	47,551	+0.08(+0.33%)
Apr 25, 2012	23.29	23.35	23.28	23.35	29,453	+0.11(+0.47%)
Apr 24, 2012	23.25	23.28	23.23	23.24	40,603	+0.01(+0.04%)
Apr 23, 2012	23.21	23.25	23.18	23.23	38,492	-0.06(-0.24%)
Apr 20, 2012	23.32	23.33	23.28	23.28	10,061	+0.03(+0.13%)
Apr 19, 2012	23.29	23.35	23.24	23.25	49,681	-0.08(-0.33%)
Apr 18, 2012	23.32	23.34	23.30	23.33	15,767	-0.02(-0.10%)
Apr 17, 2012	23.25	23.36	23.25	23.35	20,121	+0.11(+0.47%)
Apr 16, 2012	23.32	23.32	23.22	23.25	19,031	+0.01(+0.06%)
Apr 13, 2012	23.28	23.28	23.22	23.23	23,279	-0.06(-0.26%)
Apr 12, 2012	23.21	23.30	23.21	23.29	45,985	+0.14(+0.60%)
Apr 11, 2012	23.18	23.18	23.15	23.15	14,607	+0.06(+0.27%)
Apr 10, 2012	23.21	23.21	23.09	23.09	67,456	-0.14(-0.60%)
Apr 09, 2012	23.19	23.25	23.18	23.23	38,111	-0.03(-0.13%)
Apr 05, 2012	23.24	23.26	23.21	23.26	11,593	+0.05(+0.20%)
Apr 04, 2012	23.28	23.28	23.19	23.21	8,602	-0.11(-0.47%)
Apr 03, 2012	23.39	23.44	23.30	23.32	32,103	-0.15(-0.63%)
Apr 02, 2012	23.41	23.49	23.38	23.47	47,613	+0.06(+0.26%)
Mar 30, 2012	23.41	23.43	23.38	23.41	10,568	+0.02(+0.07%)
Mar 29, 2012	23.35	23.39	23.31	23.39	46,939	+0.01(+0.03%)
Mar 28, 2012	23.39	23.40	23.35	23.39	9,142	-0.04(-0.18%)
Mar 27, 2012	23.45	23.45	23.42	23.43	18,149	+0.02(+0.08%)
Mar 26, 2012	23.40	23.44	23.38	23.41	15,691	+0.05(+0.23%)
Mar 23, 2012	23.28	23.35	23.26	23.35	21,470	+0.08(+0.33%)
Mar 22, 2012	23.29	23.31	23.26	23.28	40,332	-0.06(-0.27%)
Mar 21, 2012	23.35	23.36	23.31	23.34	14,147	+0.01(+0.03%)
Mar 20, 2012	23.31	23.34	23.29	23.33	353,841	-0.05(-0.22%)
Mar 19, 2012	23.33	23.39	23.33	23.38	26,081	+0.04(+0.15%)
Mar 16, 2012	23.38	23.39	23.35	23.35	18,012	-0.03(-0.13%)
Mar 15, 2012	23.33	23.38	23.32	23.38	72,688	+0.06(+0.27%)
Mar 14, 2012	23.41	23.41	23.30	23.32	23,329	-0.08(-0.35%)
Mar 13, 2012	23.33	23.40	23.33	23.40	50,239	+0.07(+0.32%)
Mar 12, 2012	23.35	23.35	23.31	23.32	7,146	+0.02(+0.10%)
Mar 09, 2012	23.28	23.35	23.28	23.30	21,725	-0.02(-0.07%)
Mar 08, 2012	23.31	23.32	23.28	23.32	2,266	+0.10(+0.43%)
Mar 07, 2012	23.18	23.24	23.17	23.21	16,847	+0.07(+0.30%)
Mar 06, 2012	23.22	23.22	23.14	23.14	48,053	-0.16(-0.70%)
Mar 05, 2012	23.32	23.33	23.28	23.31	45,831	-0.06(-0.27%)
Mar 02, 2012	23.56	23.56	23.33	23.37	35,423	-0.04(-0.17%)

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