Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	60.40	60.46	60.26	60.29	400,667	-0.05(-0.08%)
May 23, 2011	60.51	60.51	60.34	60.34	421,920	-0.24(-0.40%)
May 20, 2011	60.50	60.58	60.50	60.58	276,903	+0.04(+0.07%)
May 19, 2011	60.56	60.56	60.49	60.54	233,273	-0.04(-0.07%)
May 18, 2011	60.52	60.60	60.50	60.58	441,124	+0.15(+0.25%)
May 17, 2011	60.41	60.46	60.38	60.43	352,563	+0.06(+0.10%)
May 16, 2011	60.35	60.37	60.23	60.37	597,904	+0.01(+0.01%)
May 13, 2011	60.30	60.39	60.26	60.36	466,604	+0.20(+0.33%)
May 12, 2011	60.20	60.28	60.09	60.16	216,408	+0.02(+0.03%)
May 11, 2011	60.26	60.31	60.15	60.15	491,684	-0.02(-0.03%)
May 10, 2011	60.19	60.23	60.16	60.16	304,552	-0.03(-0.06%)
May 09, 2011	60.05	60.20	60.01	60.20	246,790	+0.21(+0.34%)
May 06, 2011	60.04	60.05	59.91	59.99	505,867	+0.03(+0.05%)
May 05, 2011	59.95	60.03	59.89	59.96	212,350	-0.03(-0.06%)
May 04, 2011	60.07	60.12	59.93	60.00	336,627	+0.03(+0.06%)
May 03, 2011	59.85	59.97	59.77	59.96	317,001	+0.14(+0.24%)
May 02, 2011	59.82	59.82	59.81	59.82	655,803	-0.05(-0.09%)
Apr 29, 2011	59.60	59.87	59.58	59.87	628,738	+0.34(+0.57%)
Apr 28, 2011	59.29	59.54	59.29	59.53	494,744	+0.17(+0.28%)
Apr 27, 2011	59.33	59.37	59.25	59.37	368,768	+0.10(+0.17%)
Apr 26, 2011	59.27	59.27	59.13	59.27	375,775	+0.11(+0.18%)
Apr 25, 2011	59.21	59.21	59.14	59.16	384,437	-0.13(-0.22%)
Apr 21, 2011	59.25	59.32	59.22	59.29	505,446	+0.12(+0.21%)
Apr 20, 2011	59.15	59.19	59.08	59.17	555,564	+0.17(+0.29%)
Apr 19, 2011	59.14	59.16	58.93	58.99	524,719	-0.10(-0.17%)
Apr 18, 2011	59.12	59.15	58.98	59.09	644,407	-0.08(-0.13%)
Apr 15, 2011	59.03	59.19	59.02	59.17	1,410,622	+0.15(+0.25%)
Apr 14, 2011	59.01	59.04	58.93	59.02	264,597	+0.01(+0.01%)
Apr 13, 2011	59.05	59.06	58.97	59.02	288,664	+0.06(+0.10%)
Apr 12, 2011	59.09	59.09	58.93	58.96	380,956	-0.09(-0.15%)
Apr 11, 2011	59.18	59.18	59.04	59.04	459,142	-0.17(-0.29%)
Apr 08, 2011	59.14	59.22	59.09	59.22	513,130	+0.16(+0.27%)
Apr 07, 2011	59.16	59.18	59.06	59.06	1,074,050	-0.14(-0.24%)
Apr 06, 2011	59.15	59.22	59.09	59.20	841,067	+0.14(+0.24%)
Apr 05, 2011	59.17	59.21	59.06	59.06	1,092,764	-0.14(-0.24%)
Apr 04, 2011	59.19	59.20	59.08	59.20	375,599	+0.22(+0.38%)
Apr 01, 2011	58.98	59.14	58.92	58.98	1,862,358	+0.11(+0.19%)
Mar 31, 2011	58.86	58.89	58.80	58.87	395,757	+0.09(+0.16%)
Mar 30, 2011	58.71	58.82	58.71	58.77	203,660	+0.00(+0.00%)
Mar 29, 2011	58.83	58.83	58.70	58.77	314,336	-0.06(-0.09%)
Mar 28, 2011	58.77	58.83	58.67	58.83	294,825	+0.03(+0.06%)
Mar 25, 2011	58.90	58.90	58.78	58.79	175,759	-0.04(-0.07%)
Mar 24, 2011	58.78	58.85	58.78	58.83	494,174	+0.05(+0.08%)
Mar 23, 2011	58.71	58.78	58.62	58.78	303,163	+0.07(+0.12%)
Mar 22, 2011	58.80	58.80	58.67	58.71	355,145	-0.01(-0.01%)
Mar 21, 2011	58.72	58.73	58.65	58.72	464,143	+0.24(+0.42%)
Mar 18, 2011	58.38	58.63	58.38	58.47	540,027	+0.02(+0.04%)
Mar 17, 2011	58.45	58.50	58.27	58.45	569,165	+0.28(+0.47%)
Mar 16, 2011	58.57	58.57	58.15	58.18	763,236	-0.25(-0.43%)
Mar 15, 2011	58.44	58.50	58.40	58.43	336,683	-0.07(-0.12%)
Mar 14, 2011	58.68	58.69	58.50	58.50	240,598	-0.15(-0.25%)
Mar 11, 2011	58.46	58.66	58.46	58.65	198,465	+0.04(+0.06%)
Mar 10, 2011	58.71	58.71	58.56	58.61	330,329	-0.04(-0.07%)
Mar 09, 2011	58.73	58.73	58.56	58.66	513,903	+0.01(+0.02%)
Mar 08, 2011	58.57	58.67	58.48	58.64	484,427	+0.14(+0.24%)
Mar 07, 2011	58.51	58.52	58.42	58.51	667,597	+0.14(+0.24%)
Mar 04, 2011	58.21	58.40	58.16	58.37	341,347	+0.29(+0.50%)
Mar 03, 2011	58.29	58.29	58.08	58.08	368,640	+0.00(+0.00%)
Mar 02, 2011	57.95	58.15	57.95	58.08	223,459	+0.08(+0.14%)

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