Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.56	20.64	20.36	20.54	4,207,663	+0.03(+0.16%)
May 23, 2011	20.61	20.61	20.29	20.51	5,428,898	-0.43(-2.06%)
May 20, 2011	21.19	21.23	20.75	20.94	3,428,858	-0.34(-1.58%)
May 19, 2011	21.30	21.34	21.05	21.27	3,677,991	+0.14(+0.69%)
May 18, 2011	20.78	21.19	20.61	21.13	3,708,313	+0.36(+1.71%)
May 17, 2011	20.97	21.08	20.61	20.77	6,437,158	-0.29(-1.40%)
May 16, 2011	21.30	21.41	21.02	21.07	5,478,158	-0.29(-1.34%)
May 13, 2011	22.00	22.14	21.29	21.35	5,777,345	-0.66(-2.99%)
May 12, 2011	21.93	22.11	21.61	22.01	3,976,688	-0.03(-0.15%)
May 11, 2011	22.08	22.17	21.70	22.04	6,351,879	-0.12(-0.56%)
May 10, 2011	22.04	22.18	21.96	22.16	3,227,315	+0.27(+1.23%)
May 09, 2011	21.87	22.02	21.78	21.90	3,819,915	-0.01(-0.04%)
May 06, 2011	22.13	22.31	21.82	21.90	3,916,967	+0.13(+0.59%)
May 05, 2011	21.85	22.09	21.45	21.78	4,852,575	-0.24(-1.09%)
May 04, 2011	22.00	22.29	22.00	22.02	8,927,163	+0.11(+0.51%)
May 03, 2011	21.88	22.05	21.78	21.90	5,214,222	-0.03(-0.13%)
May 02, 2011	21.94	22.18	21.81	21.93	4,231,113	-0.01(-0.06%)
Apr 29, 2011	22.23	22.40	21.89	21.95	13,758,785	-0.26(-1.19%)
Apr 28, 2011	22.41	22.55	22.09	22.21	5,582,018	-0.23(-1.03%)
Apr 27, 2011	22.25	22.48	22.02	22.44	5,034,115	+0.14(+0.65%)
Apr 26, 2011	21.90	22.55	21.79	22.30	9,264,691	+0.58(+2.68%)
Apr 25, 2011	21.81	22.11	21.62	21.71	6,199,869	-0.30(-1.35%)
Apr 21, 2011	22.23	22.25	21.96	22.01	6,464,526	-0.15(-0.69%)
Apr 20, 2011	21.92	22.20	21.79	22.16	8,587,710	+0.60(+2.78%)
Apr 19, 2011	21.44	21.92	21.26	21.57	12,390,000	+0.78(+3.74%)
Apr 18, 2011	20.89	20.92	20.41	20.79	6,831,076	-0.46(-2.18%)
Apr 15, 2011	20.72	21.28	20.59	21.25	9,142,182	+0.59(+2.86%)
Apr 14, 2011	20.53	20.71	20.33	20.66	4,248,557	-0.05(-0.26%)
Apr 13, 2011	20.88	21.02	20.54	20.71	4,447,759	-0.07(-0.36%)
Apr 12, 2011	20.83	20.85	20.49	20.79	5,059,588	-0.17(-0.81%)
Apr 11, 2011	21.28	21.34	20.86	20.96	5,235,698	-0.23(-1.09%)
Apr 08, 2011	21.81	21.90	21.11	21.19	6,813,444	-0.62(-2.86%)
Apr 07, 2011	21.73	21.98	21.59	21.81	4,800,834	-0.02(-0.08%)
Apr 06, 2011	21.98	22.05	21.66	21.83	4,209,633	+0.02(+0.08%)
Apr 05, 2011	22.26	22.27	21.63	21.81	6,398,466	-0.12(-0.57%)
Apr 04, 2011	22.19	22.29	21.83	21.94	5,558,490	-0.14(-0.65%)
Apr 01, 2011	21.85	22.38	21.81	22.08	10,542,531	+0.45(+2.06%)
Mar 31, 2011	21.49	21.75	21.43	21.64	6,135,367	+0.19(+0.91%)
Mar 30, 2011	21.44	21.69	20.97	21.44	10,441,210	+0.65(+3.14%)
Mar 29, 2011	20.23	20.87	20.09	20.79	5,734,875	+0.58(+2.88%)
Mar 28, 2011	20.68	20.70	20.15	20.21	7,758,872	-0.40(-1.92%)
Mar 25, 2011	20.61	20.76	20.36	20.60	6,577,305	+0.09(+0.46%)
Mar 24, 2011	20.37	20.64	20.12	20.51	4,478,530	+0.22(+1.10%)
Mar 23, 2011	20.29	20.43	19.99	20.28	4,692,090	-0.07(-0.34%)
Mar 22, 2011	20.81	20.82	20.20	20.35	6,899,659	-0.54(-2.57%)
Mar 21, 2011	20.93	20.99	20.60	20.89	8,244,478	+0.87(+4.33%)
Mar 18, 2011	20.13	20.30	19.95	20.02	7,654,104	+0.10(+0.52%)
Mar 17, 2011	20.02	20.22	19.74	19.92	4,805,829	+0.24(+1.24%)
Mar 16, 2011	19.73	19.84	19.40	19.68	8,253,313	-0.17(-0.87%)
Mar 15, 2011	19.29	20.05	19.21	19.85	7,501,903	-0.16(-0.81%)
Mar 14, 2011	19.91	20.05	19.68	20.01	6,056,649	-0.14(-0.70%)
Mar 11, 2011	19.58	20.23	19.54	20.15	7,573,578	+0.48(+2.42%)
Mar 10, 2011	19.81	19.90	19.44	19.68	8,129,967	-0.40(-2.00%)
Mar 09, 2011	20.00	20.18	19.78	20.08	6,027,625	-0.02(-0.10%)
Mar 08, 2011	19.98	20.34	19.88	20.10	6,796,847	+0.09(+0.43%)
Mar 07, 2011	20.68	20.90	19.78	20.01	10,140,764	-0.32(-1.57%)
Mar 04, 2011	20.71	20.73	20.17	20.33	5,164,100	-0.43(-2.07%)
Mar 03, 2011	20.44	20.88	20.43	20.76	5,139,054	+0.56(+2.78%)
Mar 02, 2011	20.19	20.52	20.05	20.20	5,402,095	-0.05(-0.22%)

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