Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.94	20.94	20.65	20.70	8,711	-0.06(-0.29%)
May 23, 2011	20.48	20.95	20.48	20.76	14,298	-0.39(-1.84%)
May 20, 2011	21.33	21.33	21.03	21.15	10,287	-0.12(-0.56%)
May 19, 2011	21.29	21.29	21.18	21.27	17,381	+0.02(+0.09%)
May 18, 2011	21.17	21.25	20.98	21.25	12,976	+0.09(+0.43%)
May 17, 2011	20.90	21.16	20.90	21.16	6,336	-0.09(-0.42%)
May 16, 2011	20.91	21.29	20.91	21.25	61,683	+0.23(+1.09%)
May 13, 2011	20.99	21.24	20.92	21.02	84,074	-0.28(-1.31%)
May 12, 2011	21.24	21.30	20.95	21.30	19,127	+0.06(+0.28%)
May 11, 2011	21.07	21.26	20.90	21.24	7,212	-0.33(-1.53%)
May 10, 2011	21.17	21.57	21.17	21.57	6,234	-0.03(-0.14%)
May 09, 2011	21.60	21.60	21.60	21.60	14,507	+0.02(+0.09%)
May 06, 2011	21.50	21.60	21.17	21.58	6,239	+0.63(+3.01%)
May 05, 2011	20.85	21.39	20.85	20.95	6,139	-0.01(-0.05%)
May 04, 2011	21.20	21.20	20.90	20.96	5,179	-0.96(-4.38%)
May 03, 2011	21.79	21.99	21.61	21.92	14,868	-0.08(-0.36%)
May 02, 2011	22.00	22.00	22.00	22.00	6,539	-0.04(-0.18%)
Apr 29, 2011	21.63	22.20	21.63	22.04	6,015	+0.18(+0.82%)
Apr 28, 2011	22.20	22.20	21.82	21.86	5,025	-0.09(-0.41%)
Apr 27, 2011	21.78	22.10	21.60	21.95	7,008	-0.25(-1.13%)
Apr 26, 2011	21.91	22.20	21.91	22.20	5,650	-0.20(-0.89%)
Apr 25, 2011	22.20	22.50	22.20	22.40	5,806	+0.10(+0.45%)
Apr 21, 2011	22.18	22.50	22.18	22.30	4,258	-0.03(-0.13%)
Apr 20, 2011	21.86	22.33	21.86	22.33	6,362	+0.13(+0.59%)
Apr 19, 2011	21.75	22.20	21.75	22.20	12,836	+0.20(+0.91%)
Apr 18, 2011	21.90	22.17	21.89	22.00	17,892	-0.40(-1.79%)
Apr 15, 2011	22.40	22.40	22.22	22.40	4,749	+0.20(+0.90%)
Apr 14, 2011	22.00	22.20	21.98	22.20	10,533	+0.20(+0.91%)
Apr 13, 2011	21.61	22.00	21.61	22.00	2,119	+0.34(+1.57%)
Apr 12, 2011	21.82	21.82	21.55	21.66	4,354	-0.18(-0.82%)
Apr 11, 2011	22.14	22.14	21.84	21.84	16,110	-0.24(-1.09%)
Apr 08, 2011	22.24	22.30	22.06	22.08	11,249	-0.04(-0.18%)
Apr 07, 2011	22.34	22.34	22.12	22.12	13,125	-0.38(-1.69%)
Apr 06, 2011	21.91	22.50	21.91	22.50	55,625	+0.50(+2.27%)
Apr 05, 2011	21.75	22.05	21.75	22.00	8,059	+0.00(+0.00%)
Apr 04, 2011	21.39	22.09	21.39	22.00	29,663	+0.50(+2.33%)
Apr 01, 2011	21.44	21.50	21.40	21.50	8,579	+0.89(+4.32%)
Mar 31, 2011	20.40	20.61	20.40	20.61	41,236	+0.62(+3.10%)
Mar 30, 2011	19.99	19.99	19.99	19.99	13,916	+0.32(+1.63%)
Mar 29, 2011	19.05	19.67	19.05	19.67	13,302	+0.02(+0.10%)
Mar 28, 2011	19.89	19.90	19.65	19.65	137,546	-0.35(-1.75%)
Mar 25, 2011	20.04	20.04	19.82	20.00	105,967	+0.04(+0.20%)
Mar 24, 2011	19.91	19.97	19.72	19.96	11,943	+0.03(+0.15%)
Mar 23, 2011	19.94	19.94	19.67	19.93	6,397	+0.12(+0.61%)
Mar 22, 2011	19.32	19.81	19.32	19.81	13,433	+0.49(+2.54%)
Mar 21, 2011	19.40	19.44	19.31	19.32	5,877	+0.12(+0.63%)
Mar 18, 2011	18.87	19.34	18.79	19.20	25,693	-0.07(-0.36%)
Mar 17, 2011	18.87	19.27	18.87	19.27	10,719	-0.29(-1.48%)
Mar 16, 2011	19.61	19.70	19.24	19.56	7,749	-0.38(-1.91%)
Mar 15, 2011	20.00	20.00	19.50	19.94	6,725	-0.99(-4.73%)
Mar 14, 2011	21.37	21.37	20.91	20.93	3,786	-0.18(-0.85%)
Mar 11, 2011	21.21	21.32	21.10	21.11	12,495	-0.61(-2.81%)
Mar 10, 2011	21.51	21.79	21.51	21.72	6,398	-0.49(-2.21%)
Mar 09, 2011	22.15	22.24	22.05	22.21	23,521	+0.37(+1.69%)
Mar 08, 2011	21.85	21.85	21.75	21.84	5,645	+0.33(+1.53%)
Mar 07, 2011	21.55	21.59	21.38	21.51	20,143	+0.06(+0.28%)
Mar 04, 2011	21.28	21.45	21.19	21.45	6,007	+0.41(+1.95%)
Mar 03, 2011	20.79	21.04	20.79	21.04	4,183	+0.31(+1.50%)
Mar 02, 2011	20.80	20.80	20.61	20.73	8,265	+0.02(+0.10%)

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