Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	77.23	77.33	77.19	77.30	802,877	+0.03(+0.04%)
May 23, 2011	77.35	77.38	77.26	77.27	1,114,261	+0.06(+0.08%)
May 20, 2011	77.17	77.24	77.15	77.20	1,300,595	+0.07(+0.09%)
May 19, 2011	76.98	77.17	76.95	77.13	876,934	-0.06(-0.07%)
May 18, 2011	77.28	77.32	77.14	77.19	857,259	-0.12(-0.16%)
May 17, 2011	77.29	77.36	77.25	77.31	947,147	+0.09(+0.11%)
May 16, 2011	77.06	77.26	77.05	77.22	939,624	+0.17(+0.22%)
May 13, 2011	77.02	77.20	76.99	77.06	433,535	+0.12(+0.16%)
May 12, 2011	77.01	77.07	76.87	76.93	1,063,047	-0.12(-0.15%)
May 11, 2011	76.85	77.07	76.85	77.05	746,827	+0.14(+0.18%)
May 10, 2011	76.96	77.01	76.88	76.91	742,898	-0.14(-0.18%)
May 09, 2011	76.99	77.08	76.99	77.05	695,956	+0.09(+0.11%)
May 06, 2011	76.89	77.09	76.80	76.96	1,414,994	-0.01(-0.01%)
May 05, 2011	76.83	77.00	76.83	76.97	1,109,552	+0.17(+0.23%)
May 04, 2011	76.65	76.80	76.65	76.80	913,498	+0.14(+0.19%)
May 03, 2011	76.67	76.73	76.60	76.65	673,794	+0.02(+0.03%)

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