Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	21.35	21.38	21.33	21.34	84,943	+0.03(+0.15%)
May 30, 2012	21.31	21.32	21.28	21.31	49,778	+0.08(+0.36%)
May 29, 2012	21.25	21.27	21.23	21.23	121,255	-0.00(-0.02%)
May 25, 2012	21.27	21.27	21.23	21.24	24,864	+0.00(+0.00%)
May 24, 2012	21.25	21.25	21.23	21.24	53,948	-0.01(-0.05%)
May 23, 2012	21.25	21.26	21.23	21.25	57,497	+0.01(+0.05%)
May 22, 2012	21.24	21.24	21.22	21.24	63,670	-0.01(-0.05%)
May 21, 2012	21.25	21.27	21.25	21.25	850,496	-0.02(-0.10%)
May 18, 2012	21.27	21.29	21.27	21.27	45,652	-0.02(-0.10%)
May 17, 2012	21.29	21.30	21.27	21.29	70,253	-0.00(-0.02%)
May 16, 2012	21.24	21.30	21.24	21.30	90,106	+0.01(+0.04%)
May 15, 2012	21.29	21.30	21.28	21.29	66,811	-0.01(-0.06%)
May 14, 2012	21.33	21.33	21.30	21.30	374,465	+0.03(+0.12%)
May 11, 2012	21.30	21.30	21.26	21.27	93,604	+0.00(+0.00%)
May 10, 2012	21.25	21.27	21.24	21.27	744,578	-0.01(-0.06%)
May 09, 2012	21.32	21.33	21.28	21.29	443,921	-0.03(-0.16%)
May 08, 2012	21.31	21.34	21.31	21.32	72,031	+0.01(+0.05%)
May 07, 2012	21.30	21.33	21.29	21.31	5,544,834	+0.01(+0.07%)
May 04, 2012	21.28	21.30	21.24	21.30	31,725	+0.04(+0.17%)
May 03, 2012	21.20	21.26	21.20	21.26	98,939	+0.02(+0.09%)
May 02, 2012	21.26	21.26	21.22	21.24	57,791	+0.03(+0.12%)
May 01, 2012	21.26	21.26	21.20	21.22	77,753	-0.00(-0.02%)
Apr 30, 2012	21.24	21.26	21.22	21.22	77,988	-0.01(-0.07%)
Apr 27, 2012	21.19	21.23	21.19	21.23	44,509	+0.02(+0.09%)
Apr 26, 2012	21.22	21.23	21.20	21.22	124,306	+0.02(+0.09%)
Apr 25, 2012	21.18	21.20	21.16	21.20	63,440	-0.00(-0.02%)
Apr 24, 2012	21.18	21.22	21.18	21.20	55,472	-0.03(-0.14%)
Apr 23, 2012	21.23	21.25	21.21	21.23	73,793	+0.03(+0.15%)
Apr 20, 2012	21.20	21.22	21.17	21.20	39,682	-0.01(-0.05%)
Apr 19, 2012	21.22	21.23	21.19	21.21	80,826	+0.03(+0.14%)
Apr 18, 2012	21.20	21.22	21.16	21.18	81,851	+0.03(+0.14%)
Apr 17, 2012	21.16	21.20	21.14	21.15	87,530	-0.05(-0.22%)
Apr 16, 2012	21.19	21.22	21.18	21.20	10,840,996	+0.01(+0.07%)
Apr 13, 2012	21.11	21.18	21.11	21.18	48,213	+0.08(+0.36%)
Apr 12, 2012	21.13	21.13	21.10	21.11	41,726	-0.01(-0.03%)
Apr 11, 2012	21.14	21.16	21.10	21.11	34,209	-0.01(-0.04%)
Apr 10, 2012	21.14	21.15	21.11	21.12	49,878	+0.04(+0.18%)
Apr 09, 2012	21.10	21.11	21.08	21.08	51,114	+0.09(+0.43%)
Apr 05, 2012	21.00	21.00	20.98	20.99	39,141	+0.02(+0.09%)
Apr 04, 2012	20.93	20.98	20.93	20.98	59,165	+0.07(+0.31%)
Apr 03, 2012	21.04	21.04	20.91	20.91	101,004	-0.09(-0.45%)
Apr 02, 2012	20.98	21.02	20.98	21.00	45,826	+0.02(+0.12%)
Mar 30, 2012	21.01	21.05	20.98	20.98	68,653	-0.03(-0.14%)
Mar 29, 2012	21.02	21.05	21.01	21.01	72,289	-0.00(-0.02%)
Mar 28, 2012	20.97	21.04	20.97	21.01	69,022	-0.00(-0.02%)
Mar 27, 2012	20.99	21.02	20.98	21.02	51,719	+0.03(+0.14%)
Mar 26, 2012	21.00	21.00	20.95	20.99	61,204	+0.02(+0.09%)
Mar 23, 2012	20.90	20.99	20.90	20.97	22,180	+0.01(+0.05%)
Mar 22, 2012	20.95	20.96	20.89	20.96	125,701	+0.05(+0.24%)
Mar 21, 2012	20.90	20.93	20.77	20.91	126,683	+0.05(+0.26%)
Mar 20, 2012	20.89	20.90	20.83	20.85	89,341	-0.01(-0.03%)
Mar 19, 2012	20.89	20.90	20.85	20.86	95,070	-0.05(-0.23%)
Mar 16, 2012	20.90	20.91	20.85	20.91	70,723	-0.00(-0.02%)
Mar 15, 2012	20.85	20.93	20.85	20.91	75,245	+0.01(+0.07%)
Mar 14, 2012	20.96	20.96	20.89	20.90	250,428	-0.12(-0.55%)
Mar 13, 2012	21.03	21.06	21.00	21.01	50,560	-0.04(-0.21%)
Mar 12, 2012	21.09	21.10	21.06	21.06	35,390	+0.00(+0.01%)
Mar 09, 2012	21.07	21.07	21.04	21.05	63,401	-0.02(-0.09%)
Mar 08, 2012	21.06	21.10	21.03	21.07	81,351	-0.04(-0.19%)
Mar 07, 2012	21.12	21.14	21.09	21.11	161,741	-0.01(-0.03%)
Mar 06, 2012	21.13	21.13	21.09	21.12	110,264	+0.04(+0.21%)
Mar 05, 2012	21.13	21.14	21.08	21.08	56,266	-0.05(-0.24%)
Mar 02, 2012	21.10	21.14	21.10	21.13	21,046	+0.03(+0.13%)

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