Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.18	20.21	20.05	20.16	23,438	+0.11(+0.52%)
May 23, 2011	20.03	20.08	19.95	20.05	19,853	-0.37(-1.80%)
May 20, 2011	20.38	20.53	20.32	20.42	20,268	-0.14(-0.68%)
May 19, 2011	20.55	20.56	20.46	20.56	10,408	+0.12(+0.60%)
May 18, 2011	20.33	20.46	20.33	20.44	17,322	+0.24(+1.19%)
May 17, 2011	20.16	20.21	19.93	20.20	344,535	+0.00(+0.00%)
May 16, 2011	20.25	20.37	20.19	20.20	13,286	-0.09(-0.43%)
May 13, 2011	20.40	20.40	20.17	20.28	7,733	-0.21(-1.00%)
May 12, 2011	20.39	20.55	20.33	20.49	75,204	+0.07(+0.32%)
May 11, 2011	20.70	20.70	20.38	20.42	17,876	-0.41(-1.96%)
May 10, 2011	20.68	20.84	20.68	20.83	33,181	+0.16(+0.80%)
May 09, 2011	20.59	20.68	20.50	20.67	26,650	+0.15(+0.73%)
May 06, 2011	20.68	20.78	20.48	20.52	9,361	+0.21(+1.04%)
May 05, 2011	20.49	20.52	20.28	20.31	22,084	-0.33(-1.61%)
May 04, 2011	20.75	20.75	20.52	20.64	24,367	-0.17(-0.81%)
May 03, 2011	20.90	20.91	20.77	20.81	16,791	-0.15(-0.70%)
May 02, 2011	20.97	20.99	20.96	20.96	188,057	-0.03(-0.14%)
Apr 29, 2011	20.89	21.03	20.89	20.99	11,362	+0.14(+0.68%)
Apr 28, 2011	20.78	20.84	20.77	20.84	18,472	+0.09(+0.41%)
Apr 27, 2011	20.65	20.79	20.49	20.76	62,173	+0.10(+0.49%)
Apr 26, 2011	20.58	20.68	20.52	20.66	17,481	+0.20(+0.99%)
Apr 25, 2011	20.54	20.54	20.42	20.45	113,602	-0.05(-0.24%)
Apr 21, 2011	20.52	20.55	20.47	20.50	71,670	+0.16(+0.79%)
Apr 20, 2011	20.31	20.37	20.28	20.34	15,629	+0.34(+1.72%)
Apr 19, 2011	19.97	20.03	19.96	20.00	76,813	+0.06(+0.31%)
Apr 18, 2011	20.03	20.03	19.76	19.94	14,001	-0.34(-1.69%)
Apr 15, 2011	20.28	20.33	20.21	20.28	12,707	-0.02(-0.09%)
Apr 14, 2011	20.06	20.30	20.06	20.30	18,135	+0.19(+0.96%)
Apr 13, 2011	20.20	20.20	19.99	20.10	26,019	+0.13(+0.64%)
Apr 12, 2011	20.02	20.04	19.90	19.97	18,104	-0.13(-0.67%)
Apr 11, 2011	20.25	20.28	20.05	20.11	21,940	-0.16(-0.78%)
Apr 08, 2011	20.27	20.34	20.21	20.27	108,693	+0.17(+0.84%)
Apr 07, 2011	20.11	20.14	19.90	20.10	218,298	-0.12(-0.61%)
Apr 06, 2011	20.26	20.31	20.18	20.22	41,587	+0.10(+0.49%)
Apr 05, 2011	20.06	20.20	20.06	20.12	8,727	-0.02(-0.12%)
Apr 04, 2011	20.14	20.18	20.11	20.14	24,062	+0.06(+0.28%)
Apr 01, 2011	20.04	20.17	20.03	20.09	12,794	+0.13(+0.64%)
Mar 31, 2011	19.90	20.00	19.83	19.96	19,391	-0.04(-0.21%)
Mar 30, 2011	19.93	20.05	19.93	20.00	28,460	+0.20(+1.02%)
Mar 29, 2011	19.66	19.80	19.64	19.80	21,945	+0.06(+0.28%)
Mar 28, 2011	19.82	19.83	19.75	19.75	11,473	-0.07(-0.35%)
Mar 25, 2011	19.87	19.96	19.82	19.82	19,302	-0.28(-1.39%)
Mar 24, 2011	19.86	20.10	19.86	20.10	8,572	+0.27(+1.37%)
Mar 23, 2011	19.63	19.82	19.63	19.82	27,264	+0.07(+0.34%)
Mar 22, 2011	19.78	19.78	19.66	19.76	29,945	-0.06(-0.32%)
Mar 21, 2011	19.78	19.87	19.78	19.82	29,613	+0.41(+2.12%)
Mar 18, 2011	19.37	19.41	19.30	19.41	24,876	+0.48(+2.53%)
Mar 17, 2011	19.06	19.10	18.91	18.93	70,037	+0.31(+1.67%)
Mar 16, 2011	18.88	18.97	18.49	18.62	18,112	-0.47(-2.46%)
Mar 15, 2011	18.83	19.09	18.82	19.09	43,489	-0.44(-2.27%)
Mar 14, 2011	19.43	19.53	19.35	19.53	358,758	-0.45(-2.23%)
Mar 11, 2011	19.77	19.99	19.77	19.98	14,612	+0.05(+0.25%)
Mar 10, 2011	20.12	20.12	19.91	19.93	15,437	-0.52(-2.54%)
Mar 09, 2011	20.35	20.45	20.32	20.45	26,534	+0.11(+0.54%)
Mar 08, 2011	20.24	20.40	20.24	20.34	33,532	+0.06(+0.29%)
Mar 07, 2011	20.51	20.51	20.21	20.28	14,769	-0.15(-0.71%)
Mar 04, 2011	20.46	20.51	20.29	20.42	27,009	-0.04(-0.20%)
Mar 03, 2011	20.41	20.48	20.34	20.46	66,930	+0.21(+1.06%)
Mar 02, 2011	20.27	20.33	20.20	20.25	17,213	+0.03(+0.17%)

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