Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	57.61	57.98	57.59	57.89	1,464,702	+0.21(+0.36%)
Mar 30, 2011	57.68	57.68	57.68	57.68	1,499,820	+0.70(+1.23%)
Mar 29, 2011	56.55	57.06	56.27	56.98	1,968,223	+0.41(+0.73%)
Mar 28, 2011	56.86	57.06	56.52	56.56	1,033,129	-0.20(-0.35%)
Mar 25, 2011	56.61	57.36	56.34	56.76	1,704,643	+0.45(+0.79%)
Mar 24, 2011	56.42	56.48	55.86	56.32	1,065,088	+0.26(+0.46%)
Mar 23, 2011	56.00	56.24	55.33	56.06	1,480,259	-0.04(-0.07%)
Mar 22, 2011	56.29	56.50	55.94	56.10	1,286,022	-0.23(-0.41%)
Mar 21, 2011	56.15	56.33	55.98	56.33	2,239,492	+1.26(+2.28%)
Mar 18, 2011	55.01	55.17	54.78	55.07	2,092,682	+0.78(+1.44%)
Mar 17, 2011	54.85	54.91	54.29	54.29	3,676,172	+0.27(+0.50%)
Mar 16, 2011	54.49	54.91	53.72	54.03	5,527,770	-0.65(-1.19%)
Mar 15, 2011	54.45	55.05	54.35	54.68	3,584,930	-0.47(-0.85%)
Mar 14, 2011	55.07	55.48	54.61	55.14	2,629,093	-0.38(-0.69%)
Mar 11, 2011	54.94	55.85	54.92	55.53	2,353,172	+0.11(+0.19%)
Mar 10, 2011	56.24	56.24	55.30	55.42	2,397,063	-1.46(-2.57%)
Mar 09, 2011	56.99	57.23	56.68	56.88	2,692,695	-0.11(-0.20%)
Mar 08, 2011	56.09	57.23	55.76	56.99	1,766,639	+0.91(+1.62%)
Mar 07, 2011	57.06	57.18	55.64	56.08	2,359,405	-0.84(-1.48%)
Mar 04, 2011	57.35	57.35	56.37	56.93	3,302,001	-0.02(-0.04%)
Mar 03, 2011	56.69	57.46	56.67	56.95	1,754,994	+0.77(+1.36%)
Mar 02, 2011	56.02	56.44	55.73	56.18	2,147,852	+0.16(+0.29%)
Mar 01, 2011	57.38	57.38	55.89	56.02	2,290,882	-1.09(-1.90%)
Feb 28, 2011	57.27	57.46	56.74	57.11	1,742,807	+0.17(+0.30%)
Feb 25, 2011	55.96	56.96	55.89	56.94	2,078,747	+1.28(+2.30%)
Feb 24, 2011	55.47	55.95	55.07	55.66	2,943,295	+0.21(+0.39%)
Feb 23, 2011	56.33	56.45	55.13	55.45	3,574,414	-0.80(-1.43%)
Feb 22, 2011	57.16	57.48	56.21	56.25	2,524,362	-1.40(-2.43%)
Feb 18, 2011	57.65	57.85	57.43	57.65	1,760,043	+0.12(+0.21%)
Feb 17, 2011	56.96	57.66	56.96	57.53	1,156,132	+0.42(+0.74%)
Feb 16, 2011	56.80	57.18	56.78	57.11	4,029,271	+0.43(+0.76%)
Feb 15, 2011	56.72	56.96	56.56	56.68	3,023,090	-0.24(-0.42%)
Feb 14, 2011	56.70	56.99	56.64	56.92	1,447,356	+0.23(+0.41%)
Feb 11, 2011	55.84	56.70	55.84	56.69	1,521,881	+0.58(+1.04%)
Feb 10, 2011	55.53	56.16	55.53	56.11	1,991,127	+0.12(+0.22%)
Feb 09, 2011	56.02	56.27	55.69	55.98	1,988,399	-0.21(-0.37%)
Feb 08, 2011	55.76	56.21	55.68	56.19	4,317,274	+0.31(+0.56%)
Feb 07, 2011	55.42	56.19	55.30	55.88	3,527,091	+0.55(+1.00%)
Feb 04, 2011	55.40	55.43	54.98	55.33	2,308,286	-0.12(-0.22%)
Feb 03, 2011	55.28	55.52	54.65	55.45	1,851,607	+0.12(+0.22%)
Feb 02, 2011	55.40	55.83	55.32	55.33	1,041,146	-0.23(-0.41%)
Feb 01, 2011	54.87	55.74	54.65	55.56	4,777,139	+1.22(+2.24%)
Jan 31, 2011	54.27	54.78	53.99	54.34	2,096,614	+0.23(+0.42%)
Jan 28, 2011	55.46	55.46	54.07	54.11	2,532,535	-1.37(-2.47%)
Jan 27, 2011	55.33	55.69	55.09	55.48	3,261,714	+0.17(+0.30%)
Jan 26, 2011	54.69	55.48	54.41	55.31	3,346,379	+0.76(+1.39%)
Jan 25, 2011	54.05	54.55	53.85	54.55	4,334,520	+0.30(+0.56%)
Jan 24, 2011	53.81	54.45	53.80	54.25	2,346,460	+0.41(+0.76%)
Jan 21, 2011	54.50	54.50	53.76	53.84	1,655,436	-0.30(-0.55%)
Jan 20, 2011	54.25	54.69	53.92	54.14	1,952,243	-0.37(-0.67%)
Jan 19, 2011	55.79	55.95	54.38	54.51	2,486,925	-1.40(-2.51%)
Jan 18, 2011	55.67	55.95	55.42	55.91	1,369,264	+0.08(+0.15%)
Jan 14, 2011	55.22	55.98	55.20	55.82	1,315,301	+0.54(+0.97%)
Jan 13, 2011	55.36	55.65	55.10	55.29	1,622,867	-0.15(-0.28%)
Jan 12, 2011	55.33	55.51	55.13	55.44	1,625,596	+0.48(+0.88%)
Jan 11, 2011	54.87	55.17	54.63	54.96	2,070,876	+0.30(+0.55%)
Jan 10, 2011	54.24	54.94	53.88	54.66	3,703,326	+0.15(+0.28%)
Jan 07, 2011	55.07	55.17	53.82	54.51	2,320,621	-0.31(-0.57%)
Jan 06, 2011	55.17	55.17	54.60	54.82	5,463,592	-0.24(-0.44%)
Jan 05, 2011	54.46	55.10	54.36	55.07	1,826,064	+0.53(+0.97%)
Jan 04, 2011	55.47	55.65	54.03	54.54	3,717,100	-0.86(-1.56%)

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