Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.37	20.57	20.33	20.33	979,444	-0.16(-0.78%)
May 20, 2011	20.26	20.54	20.19	20.49	593,922	+0.16(+0.79%)
May 19, 2011	20.42	20.49	20.25	20.33	841,753	-0.04(-0.20%)
May 18, 2011	20.13	20.52	20.13	20.37	1,181,645	+0.38(+1.90%)
May 17, 2011	19.91	20.04	19.77	19.99	2,338,917	-0.01(-0.05%)
May 16, 2011	20.06	20.39	19.95	20.00	1,513,099	-0.11(-0.55%)
May 13, 2011	20.25	20.28	20.03	20.11	496,727	-0.07(-0.35%)
May 12, 2011	20.08	20.30	19.91	20.18	1,219,958	-0.01(-0.05%)
May 11, 2011	20.62	20.63	20.14	20.19	1,680,588	-0.55(-2.65%)
May 10, 2011	20.85	20.90	20.71	20.74	467,332	-0.09(-0.43%)
May 09, 2011	20.79	20.90	20.60	20.83	682,474	+0.24(+1.17%)
May 06, 2011	20.38	20.86	20.35	20.59	1,224,037	+0.28(+1.38%)
May 05, 2011	20.61	20.64	20.26	20.31	3,859,978	-0.54(-2.59%)
May 04, 2011	21.04	21.08	20.67	20.85	2,846,272	-0.33(-1.56%)
May 03, 2011	21.72	21.72	21.01	21.18	1,117,294	-0.59(-2.71%)
May 02, 2011	21.74	21.77	21.68	21.77	864,452	+0.02(+0.09%)
Apr 29, 2011	21.52	21.76	21.52	21.75	691,925	+0.22(+1.02%)
Apr 28, 2011	21.40	21.57	21.35	21.53	599,388	+0.07(+0.33%)
Apr 27, 2011	21.59	21.59	21.24	21.46	977,395	-0.05(-0.23%)
Apr 26, 2011	21.45	21.53	21.40	21.51	561,528	+0.05(+0.23%)
Apr 25, 2011	21.64	21.66	21.42	21.46	405,200	-0.13(-0.60%)
Apr 21, 2011	21.55	21.60	21.39	21.59	219,995	+0.19(+0.89%)
Apr 20, 2011	21.25	21.47	21.25	21.40	675,492	+0.41(+1.95%)
Apr 19, 2011	20.90	21.03	20.86	20.99	604,754	+0.01(+0.05%)
Apr 18, 2011	21.03	21.04	20.74	20.98	503,384	-0.29(-1.36%)
Apr 15, 2011	21.18	21.38	21.18	21.27	332,787	+0.10(+0.47%)
Apr 14, 2011	21.19	21.29	21.11	21.17	1,295,499	-0.16(-0.75%)
Apr 13, 2011	21.49	21.65	21.30	21.33	618,234	+0.00(+0.00%)
Apr 12, 2011	21.72	21.72	21.12	21.33	1,229,732	-0.61(-2.78%)
Apr 11, 2011	22.47	22.48	21.82	21.94	708,415	-0.59(-2.62%)
Apr 08, 2011	22.28	22.56	22.28	22.53	366,469	+0.39(+1.76%)
Apr 07, 2011	22.13	22.20	21.97	22.14	689,261	-0.03(-0.14%)
Apr 06, 2011	22.47	22.47	22.08	22.17	506,446	-0.25(-1.12%)
Apr 05, 2011	22.50	22.59	22.38	22.42	307,314	-0.08(-0.36%)
Apr 04, 2011	22.49	22.56	22.47	22.50	239,178	+0.09(+0.40%)
Apr 01, 2011	22.47	22.53	22.37	22.41	553,256	+0.08(+0.36%)
Mar 31, 2011	22.47	22.48	22.32	22.33	289,761	+0.05(+0.22%)
Mar 30, 2011	22.23	22.45	22.20	22.28	260,491	+0.15(+0.68%)
Mar 29, 2011	22.03	22.18	21.95	22.13	285,716	+0.07(+0.32%)
Mar 28, 2011	22.24	22.34	22.06	22.06	572,050	-0.31(-1.39%)
Mar 25, 2011	22.20	22.45	22.20	22.37	458,388	+0.09(+0.40%)
Mar 24, 2011	22.37	22.42	22.22	22.28	430,123	-0.12(-0.54%)
Mar 23, 2011	22.60	22.64	22.34	22.40	459,649	-0.18(-0.80%)
Mar 22, 2011	22.62	22.66	22.46	22.58	765,271	-0.09(-0.40%)
Mar 21, 2011	22.55	22.68	22.57	22.67	697,805	+0.43(+1.93%)
Mar 18, 2011	22.31	22.43	22.08	22.24	1,196,648	+0.04(+0.18%)
Mar 17, 2011	21.80	22.24	21.66	22.20	611,829	+0.82(+3.84%)
Mar 16, 2011	21.28	21.71	21.17	21.38	1,362,255	+0.11(+0.52%)
Mar 15, 2011	20.62	21.32	20.44	21.27	864,545	-0.02(-0.09%)
Mar 14, 2011	21.06	21.31	21.00	21.29	324,203	-0.03(-0.14%)
Mar 11, 2011	20.91	21.47	20.82	21.32	1,067,157	+0.02(+0.09%)
Mar 10, 2011	21.50	21.54	21.12	21.30	1,538,928	-0.59(-2.70%)
Mar 09, 2011	22.11	22.17	21.76	21.89	904,703	-0.20(-0.91%)
Mar 08, 2011	22.71	22.72	22.05	22.09	1,151,199	-0.61(-2.69%)
Mar 07, 2011	23.12	23.25	22.67	22.70	620,497	-0.34(-1.48%)
Mar 04, 2011	22.78	23.04	22.75	23.04	277,967	+0.35(+1.54%)
Mar 03, 2011	22.79	22.82	22.63	22.69	371,835	-0.20(-0.87%)
Mar 02, 2011	22.74	22.95	22.65	22.89	1,050,458	+0.22(+0.97%)

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