Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	74.03	74.11	73.18	73.61	361,621	-0.23(-0.32%)
May 23, 2011	73.41	74.44	73.24	73.84	209,964	-0.94(-1.25%)
May 20, 2011	75.00	75.31	74.42	74.78	239,770	-0.49(-0.66%)
May 19, 2011	75.38	75.73	74.46	75.27	136,999	+0.17(+0.23%)
May 18, 2011	75.11	75.38	74.33	75.10	275,147	+0.10(+0.14%)
May 17, 2011	74.86	75.68	74.83	75.00	337,774	-0.19(-0.25%)
May 16, 2011	74.48	75.58	74.48	75.19	294,383	+0.24(+0.32%)
May 13, 2011	75.52	75.52	74.42	74.94	215,327	-0.37(-0.49%)
May 12, 2011	75.67	75.98	74.54	75.32	196,085	-0.58(-0.77%)
May 11, 2011	76.52	76.54	74.55	75.90	491,386	-0.68(-0.89%)
May 10, 2011	75.58	76.68	75.20	76.58	507,982	+1.46(+1.94%)
May 09, 2011	75.43	75.72	74.75	75.13	252,911	-0.44(-0.58%)
May 06, 2011	76.30	76.73	75.33	75.57	269,325	+0.18(+0.24%)
May 05, 2011	75.68	76.88	75.07	75.39	390,373	-0.86(-1.13%)
May 04, 2011	77.15	77.71	75.29	76.24	494,382	-0.99(-1.28%)
May 03, 2011	78.69	78.85	76.41	77.23	781,855	-1.57(-1.99%)
May 02, 2011	79.42	79.46	78.77	78.80	517,727	-0.23(-0.30%)
Apr 29, 2011	79.26	79.91	78.87	79.03	366,032	-0.29(-0.36%)
Apr 28, 2011	79.52	80.06	78.97	79.32	274,002	-0.47(-0.59%)
Apr 27, 2011	79.45	79.93	79.14	79.79	728,150	+0.34(+0.43%)
Apr 26, 2011	79.50	79.78	79.26	79.45	461,396	+0.64(+0.81%)
Apr 25, 2011	78.23	78.91	77.93	78.81	400,019	+0.62(+0.80%)
Apr 21, 2011	76.83	78.31	76.76	78.19	351,455	+1.92(+2.52%)
Apr 20, 2011	76.09	76.56	75.48	76.26	285,828	+1.24(+1.65%)
Apr 19, 2011	75.30	75.48	74.22	75.02	286,968	+0.00(+0.00%)
Apr 18, 2011	75.93	76.10	74.84	75.02	552,900	-2.12(-2.75%)
Apr 15, 2011	76.94	77.76	76.45	77.15	147,330	+0.25(+0.33%)
Apr 14, 2011	76.35	77.01	75.94	76.89	272,558	+0.01(+0.01%)
Apr 13, 2011	76.89	77.06	75.92	76.89	389,943	+0.62(+0.81%)
Apr 12, 2011	76.01	77.04	75.91	76.27	373,939	-0.39(-0.51%)
Apr 11, 2011	78.02	78.02	76.27	76.66	308,757	-1.44(-1.84%)
Apr 08, 2011	79.37	79.56	77.70	78.10	364,293	-0.71(-0.90%)
Apr 07, 2011	78.89	80.01	78.70	78.81	287,621	-0.21(-0.26%)
Apr 06, 2011	78.86	79.32	78.45	79.02	211,987	+0.62(+0.80%)
Apr 05, 2011	77.77	78.47	77.15	78.39	232,978	+1.01(+1.31%)
Apr 04, 2011	79.02	79.02	76.90	77.38	310,263	-1.66(-2.09%)
Apr 01, 2011	78.33	79.39	78.17	79.03	583,386	+1.32(+1.70%)
Mar 31, 2011	77.21	78.02	76.89	77.72	187,452	+0.28(+0.36%)
Mar 30, 2011	77.44	77.44	77.44	77.44	171,572	+0.88(+1.15%)
Mar 29, 2011	75.87	77.16	75.52	76.56	269,957	+0.42(+0.56%)
Mar 28, 2011	76.79	76.79	75.99	76.13	239,785	-0.30(-0.40%)
Mar 25, 2011	76.01	76.87	75.59	76.43	243,859	+0.78(+1.03%)
Mar 24, 2011	73.64	75.75	73.31	75.65	465,171	+2.51(+3.44%)
Mar 23, 2011	72.86	73.43	72.26	73.14	497,944	+0.10(+0.14%)
Mar 22, 2011	73.99	74.44	72.56	73.04	392,682	-1.13(-1.52%)
Mar 21, 2011	74.08	74.23	73.70	74.16	335,607	+0.64(+0.87%)
Mar 18, 2011	74.02	74.53	72.92	73.52	411,055	+0.43(+0.59%)
Mar 17, 2011	74.08	74.27	72.85	73.09	235,875	+0.41(+0.56%)
Mar 16, 2011	73.92	74.07	72.36	72.68	353,108	-1.55(-2.09%)
Mar 15, 2011	74.42	75.00	73.48	74.23	558,018	+0.75(+1.03%)
Mar 14, 2011	73.38	74.25	72.64	73.48	206,518	-0.12(-0.16%)
Mar 11, 2011	72.57	74.10	72.57	73.60	146,262	+0.58(+0.80%)
Mar 10, 2011	73.17	73.40	72.47	73.02	379,566	-1.15(-1.55%)
Mar 09, 2011	74.52	74.80	73.57	74.17	270,216	-0.42(-0.56%)
Mar 08, 2011	74.13	75.35	73.68	74.59	375,223	+0.79(+1.07%)
Mar 07, 2011	75.16	75.36	73.63	73.80	321,599	-1.13(-1.50%)
Mar 04, 2011	75.35	75.95	74.05	74.93	265,191	-0.32(-0.43%)
Mar 03, 2011	75.57	76.14	74.34	75.25	384,581	+0.61(+0.81%)
Mar 02, 2011	74.76	75.73	74.27	74.64	409,098	-0.11(-0.15%)

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