Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	24.55	24.87	24.36	24.61	875,268	+0.06(+0.26%)
May 23, 2011	24.51	24.74	24.30	24.55	1,313,886	-0.43(-1.72%)
May 20, 2011	25.15	25.26	24.90	24.98	959,845	-0.18(-0.72%)
May 19, 2011	25.04	25.43	24.80	25.16	952,558	+0.27(+1.08%)
May 18, 2011	24.23	25.09	24.20	24.89	1,091,325	+0.72(+2.98%)
May 17, 2011	24.03	24.26	23.87	24.17	808,944	+0.04(+0.17%)
May 16, 2011	24.07	24.28	23.89	24.13	814,255	-0.06(-0.25%)
May 13, 2011	24.45	24.71	23.99	24.19	867,212	-0.29(-1.18%)
May 12, 2011	24.16	24.51	23.83	24.48	1,146,038	+0.26(+1.07%)
May 11, 2011	23.87	24.22	23.62	24.22	1,040,043	+0.48(+2.02%)
May 10, 2011	23.41	23.95	23.28	23.74	910,054	+0.54(+2.33%)
May 09, 2011	22.81	23.54	22.64	23.20	1,222,580	+0.51(+2.25%)
May 06, 2011	22.61	22.90	22.32	22.69	806,868	+0.14(+0.62%)
May 05, 2011	22.34	23.00	22.07	22.55	1,413,997	+0.17(+0.76%)
May 04, 2011	22.75	24.00	21.68	22.38	2,377,461	+1.04(+4.87%)
May 03, 2011	21.51	21.96	21.01	21.34	991,514	-0.18(-0.84%)
May 02, 2011	21.54	21.93	21.35	21.52	836,249	+0.08(+0.37%)
Apr 29, 2011	21.46	22.06	21.20	21.44	1,509,322	+0.01(+0.05%)
Apr 28, 2011	20.56	21.44	20.48	21.43	884,304	+0.90(+4.38%)
Apr 27, 2011	20.64	20.74	20.24	20.53	607,455	-0.03(-0.15%)
Apr 26, 2011	20.34	20.63	20.30	20.56	551,086	+0.32(+1.58%)
Apr 25, 2011	20.44	20.55	20.16	20.24	320,750	-0.30(-1.46%)
Apr 21, 2011	20.50	20.65	20.30	20.54	433,955	+0.14(+0.69%)
Apr 20, 2011	20.26	20.45	20.14	20.40	309,819	+0.37(+1.85%)
Apr 19, 2011	20.16	20.29	19.91	20.03	437,309	-0.17(-0.84%)
Apr 18, 2011	20.29	20.46	20.06	20.20	484,049	-0.34(-1.66%)
Apr 15, 2011	20.15	20.54	19.95	20.54	856,176	+0.44(+2.19%)
Apr 14, 2011	19.90	20.20	19.89	20.10	611,834	+0.18(+0.90%)
Apr 13, 2011	20.48	20.54	19.92	19.92	631,707	-0.57(-2.78%)
Apr 12, 2011	20.16	20.50	20.16	20.49	523,469	+0.17(+0.84%)
Apr 11, 2011	20.32	20.53	20.22	20.32	379,309	+0.03(+0.15%)
Apr 08, 2011	20.10	20.43	20.02	20.29	797,155	+0.30(+1.50%)
Apr 07, 2011	20.10	20.18	19.85	19.99	561,045	-0.13(-0.65%)
Apr 06, 2011	20.15	20.38	19.92	20.12	543,041	+0.01(+0.05%)
Apr 05, 2011	20.00	20.27	19.91	20.11	802,509	+0.11(+0.55%)
Apr 04, 2011	20.32	20.32	19.90	20.00	551,327	-0.24(-1.19%)
Apr 01, 2011	20.30	20.46	20.14	20.24	738,994	+0.09(+0.45%)
Mar 31, 2011	19.83	20.25	19.83	20.15	1,095,326	+0.20(+1.00%)
Mar 30, 2011	19.95	20.22	19.61	19.95	656,968	+0.13(+0.66%)
Mar 29, 2011	19.74	19.97	19.48	19.82	792,363	+0.04(+0.20%)
Mar 28, 2011	19.72	19.89	19.39	19.78	993,523	+0.09(+0.46%)
Mar 25, 2011	19.51	19.80	19.31	19.69	605,309	+0.29(+1.49%)
Mar 24, 2011	19.52	19.80	19.31	19.40	441,211	+0.06(+0.31%)
Mar 23, 2011	19.15	19.53	18.98	19.34	369,141	+0.13(+0.68%)
Mar 22, 2011	19.24	19.33	19.02	19.21	976,391	-0.04(-0.21%)
Mar 21, 2011	19.43	19.64	19.23	19.25	403,023	+0.02(+0.10%)
Mar 18, 2011	18.92	19.27	18.91	19.23	860,648	+0.36(+1.91%)
Mar 17, 2011	18.88	19.06	18.71	18.87	423,291	+0.23(+1.23%)
Mar 16, 2011	18.61	18.87	18.45	18.64	890,516	-0.06(-0.32%)
Mar 15, 2011	18.50	18.92	18.48	18.70	936,832	-0.14(-0.74%)
Mar 14, 2011	18.55	18.98	18.55	18.84	354,785	+0.10(+0.53%)
Mar 11, 2011	18.64	18.85	18.43	18.74	737,011	+0.20(+1.08%)
Mar 10, 2011	18.77	18.93	18.47	18.54	797,200	-0.47(-2.47%)
Mar 09, 2011	18.77	19.05	18.77	19.01	509,701	+0.11(+0.58%)
Mar 08, 2011	18.98	19.25	18.74	18.90	902,906	-0.13(-0.68%)
Mar 07, 2011	19.51	19.70	18.76	19.03	730,993	-0.49(-2.51%)
Mar 04, 2011	19.60	19.78	19.26	19.52	758,195	-0.11(-0.56%)
Mar 03, 2011	19.49	19.65	19.21	19.63	1,051,745	+0.41(+2.13%)
Mar 02, 2011	18.56	19.37	18.56	19.22	1,121,970	+0.72(+3.89%)

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