Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.06	20.44	20.06	20.35	11,600	+0.18(+0.89%)
May 20, 2011	20.27	20.27	20.05	20.17	11,364	-0.03(-0.15%)
May 19, 2011	20.16	20.20	20.00	20.20	29,495	-0.08(-0.39%)
May 18, 2011	20.06	20.40	20.02	20.28	30,869	+0.19(+0.95%)
May 17, 2011	20.00	20.29	19.97	20.09	14,222	+0.04(+0.20%)
May 16, 2011	20.32	20.32	20.00	20.05	10,930	-0.20(-0.99%)
May 13, 2011	20.18	20.25	20.16	20.25	9,530	+0.15(+0.75%)
May 12, 2011	20.03	20.23	19.90	20.10	26,536	+0.05(+0.25%)
May 11, 2011	20.20	20.35	20.00	20.05	18,729	-0.18(-0.89%)
May 10, 2011	20.72	20.72	20.20	20.23	32,085	-0.12(-0.59%)
May 09, 2011	20.75	20.75	20.30	20.35	21,538	-0.55(-2.63%)
May 06, 2011	20.53	20.90	20.16	20.90	21,285	+0.51(+2.50%)
May 05, 2011	20.30	20.39	20.21	20.39	12,455	-0.07(-0.34%)
May 04, 2011	20.27	20.65	20.25	20.46	25,325	+0.06(+0.29%)
May 03, 2011	21.00	21.00	20.28	20.40	35,992	-0.54(-2.58%)
May 02, 2011	20.90	20.94	20.94	20.94	9,483	+0.06(+0.29%)
Apr 29, 2011	21.15	21.20	20.83	20.88	16,655	-0.22(-1.04%)
Apr 28, 2011	21.20	21.20	21.06	21.10	7,735	+0.00(+0.00%)
Apr 27, 2011	20.76	21.12	20.76	21.10	17,287	+0.24(+1.15%)
Apr 26, 2011	20.67	20.86	20.47	20.86	21,257	+0.41(+2.00%)
Apr 25, 2011	20.56	20.67	20.45	20.45	42,542	-0.35(-1.68%)
Apr 21, 2011	21.19	21.20	20.62	20.80	43,309	-0.25(-1.19%)
Apr 20, 2011	21.28	21.36	21.00	21.05	32,773	-0.44(-2.05%)
Apr 19, 2011	21.53	21.55	21.40	21.49	14,999	-0.06(-0.28%)
Apr 18, 2011	21.67	21.67	21.47	21.55	20,248	-0.10(-0.46%)
Apr 15, 2011	21.67	21.67	21.60	21.65	12,933	+0.05(+0.23%)
Apr 14, 2011	21.70	21.70	21.49	21.60	9,080	-0.08(-0.37%)
Apr 13, 2011	21.75	21.75	21.50	21.68	13,637	-0.07(-0.32%)
Apr 12, 2011	21.83	21.83	21.60	21.75	15,069	-0.13(-0.59%)
Apr 11, 2011	21.94	21.94	21.76	21.88	8,642	+0.06(+0.27%)
Apr 08, 2011	21.90	21.95	21.78	21.82	8,855	+0.06(+0.28%)
Apr 07, 2011	21.86	21.86	21.75	21.76	14,250	-0.10(-0.46%)
Apr 06, 2011	21.81	21.86	21.69	21.86	8,007	+0.07(+0.32%)
Apr 05, 2011	21.89	21.89	21.55	21.79	15,484	-0.05(-0.23%)
Apr 04, 2011	21.99	22.00	21.65	21.84	38,344	-0.11(-0.50%)
Apr 01, 2011	21.86	22.02	21.76	21.95	24,829	+0.03(+0.14%)
Mar 31, 2011	22.08	22.10	21.92	21.92	25,844	-0.16(-0.72%)
Mar 30, 2011	21.96	22.19	21.91	22.08	18,620	+0.15(+0.68%)
Mar 29, 2011	21.93	22.04	21.85	21.93	26,763	+0.00(+0.00%)
Mar 28, 2011	21.80	21.95	21.80	21.93	23,310	+0.08(+0.37%)
Mar 25, 2011	21.72	21.85	21.59	21.85	17,310	+0.10(+0.46%)
Mar 24, 2011	21.86	21.86	21.53	21.75	25,765	-0.07(-0.32%)
Mar 23, 2011	21.71	21.86	21.50	21.82	22,895	+0.27(+1.25%)
Mar 22, 2011	21.63	21.75	21.52	21.55	22,452	-0.08(-0.37%)
Mar 21, 2011	21.77	21.70	21.40	21.63	16,202	-0.14(-0.64%)
Mar 18, 2011	21.60	21.90	21.53	21.77	13,359	+0.14(+0.65%)
Mar 17, 2011	21.25	21.75	21.25	21.63	29,220	+0.48(+2.27%)
Mar 16, 2011	20.89	21.50	20.89	21.15	29,560	+0.26(+1.24%)
Mar 15, 2011	20.14	21.16	20.03	20.89	28,955	+0.04(+0.19%)
Mar 14, 2011	21.22	21.30	20.50	20.85	34,721	-0.44(-2.07%)
Mar 11, 2011	21.27	21.51	21.26	21.29	15,308	-0.37(-1.71%)
Mar 10, 2011	21.97	21.97	21.30	21.66	23,737	+0.06(+0.28%)
Mar 09, 2011	21.89	21.89	21.50	21.60	22,799	-0.27(-1.23%)
Mar 08, 2011	22.02	22.06	21.80	21.87	17,937	-0.13(-0.59%)
Mar 07, 2011	21.99	22.20	21.94	22.00	35,160	+0.06(+0.27%)
Mar 04, 2011	22.07	22.49	21.79	21.94	53,883	+0.02(+0.09%)
Mar 03, 2011	22.10	22.38	21.86	21.92	70,286	-0.04(-0.18%)
Mar 02, 2011	21.30	21.99	21.30	21.96	63,943	+0.73(+3.44%)

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