Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	167.90	169.79	167.25	167.43	683,125	-0.29(-0.17%)
Feb 28, 2012	168.40	168.80	166.56	167.72	383,806	-0.22(-0.13%)
Feb 27, 2012	166.81	169.70	166.19	167.94	404,594	-0.83(-0.49%)
Feb 24, 2012	167.49	170.88	166.84	168.77	554,884	+1.66(+0.99%)
Feb 23, 2012	167.36	167.44	165.92	167.11	675,965	-0.46(-0.27%)
Feb 22, 2012	166.75	167.63	165.70	167.57	490,993	+0.04(+0.02%)
Feb 21, 2012	168.11	168.80	167.17	167.53	352,103	+0.02(+0.01%)
Feb 17, 2012	167.81	167.99	165.50	167.51	651,334	+0.57(+0.34%)
Feb 16, 2012	168.34	168.62	165.00	166.94	955,479	-1.40(-0.83%)
Feb 15, 2012	171.71	171.71	167.69	168.34	688,376	-1.92(-1.13%)
Feb 14, 2012	170.13	171.24	168.58	170.26	382,598	-0.67(-0.39%)
Feb 13, 2012	170.02	171.11	168.28	170.93	630,194	+2.53(+1.50%)
Feb 10, 2012	169.11	169.52	167.91	168.40	505,067	-1.92(-1.13%)
Feb 09, 2012	171.70	173.24	170.11	170.32	693,460	-1.40(-0.82%)
Feb 08, 2012	169.31	171.97	169.10	171.72	542,215	+2.01(+1.18%)
Feb 07, 2012	169.58	170.47	168.32	169.71	496,356	-0.02(-0.01%)
Feb 06, 2012	170.41	171.98	169.14	169.73	726,596	-2.18(-1.27%)
Feb 03, 2012	168.12	172.51	167.66	171.91	1,001,055	+5.01(+3.00%)
Feb 02, 2012	166.43	167.38	164.82	166.90	621,471	+0.45(+0.27%)
Feb 01, 2012	165.79	168.59	165.41	166.45	757,406	+2.77(+1.69%)
Jan 31, 2012	165.43	165.83	162.07	163.68	934,860	-1.00(-0.61%)
Jan 30, 2012	165.02	165.43	163.58	164.68	791,652	-1.84(-1.10%)
Jan 27, 2012	165.61	168.27	162.38	166.52	1,900,518	+0.18(+0.11%)
Jan 26, 2012	172.70	176.50	166.06	166.34	2,838,237	-9.94(-5.64%)
Jan 25, 2012	173.32	177.63	172.94	176.28	790,071	+2.19(+1.26%)
Jan 24, 2012	174.67	174.69	173.55	174.09	626,512	-1.64(-0.93%)
Jan 23, 2012	177.30	179.47	175.51	175.73	481,278	-1.43(-0.81%)
Jan 20, 2012	177.58	177.58	174.79	177.16	774,699	-0.15(-0.08%)
Jan 19, 2012	175.00	177.56	174.39	177.31	669,360	+2.72(+1.56%)
Jan 18, 2012	172.55	174.80	172.13	174.59	420,570	+1.24(+0.72%)
Jan 17, 2012	172.38	174.55	171.56	173.35	662,076	+2.85(+1.67%)
Jan 13, 2012	171.34	171.56	169.74	170.50	756,399	-1.93(-1.12%)
Jan 12, 2012	174.22	174.43	171.50	172.43	903,711	-1.33(-0.77%)
Jan 11, 2012	175.00	175.00	173.10	173.76	540,524	-1.40(-0.80%)
Jan 10, 2012	171.67	175.50	171.18	175.16	914,565	+4.62(+2.71%)
Jan 09, 2012	170.00	170.56	168.20	170.54	445,477	+0.91(+0.54%)
Jan 06, 2012	168.68	169.93	168.11	169.63	389,624	+0.71(+0.42%)
Jan 05, 2012	168.24	169.48	166.49	168.92	453,674	-0.02(-0.01%)
Jan 04, 2012	168.14	169.22	167.35	168.94	654,877	+4.15(+2.52%)
Dec 30, 2011	166.82	166.82	164.78	164.79	388,625	-2.03(-1.22%)
Dec 29, 2011	163.96	166.92	163.96	166.82	446,122	+3.26(+1.99%)
Dec 28, 2011	165.32	165.66	162.52	163.56	434,926	-2.13(-1.29%)
Dec 27, 2011	164.04	165.74	163.51	165.69	356,977	+1.16(+0.71%)
Dec 23, 2011	164.90	165.00	163.18	164.53	401,611	+1.17(+0.72%)
Dec 21, 2011	162.21	163.49	159.23	163.36	956,945	+0.61(+0.37%)
Dec 20, 2011	158.37	164.09	158.06	162.75	922,203	+6.75(+4.33%)
Dec 19, 2011	156.99	158.03	155.64	156.00	596,480	-0.03(-0.02%)
Dec 16, 2011	158.96	159.88	155.68	156.03	1,023,068	+0.09(+0.06%)
Dec 15, 2011	155.73	157.12	154.02	155.94	803,207	+1.89(+1.23%)
Dec 14, 2011	154.73	155.52	152.00	154.05	919,888	-0.95(-0.61%)
Dec 13, 2011	159.64	160.63	154.05	155.00	965,204	-3.64(-2.29%)
Dec 12, 2011	160.84	160.84	157.01	158.64	596,542	-3.68(-2.27%)
Dec 09, 2011	158.10	162.70	158.10	162.32	642,003	+4.09(+2.58%)
Dec 08, 2011	162.33	162.38	157.69	158.23	638,589	-4.84(-2.97%)
Dec 07, 2011	161.80	164.42	160.54	163.07	667,990	+1.04(+0.64%)
Dec 06, 2011	164.23	164.92	162.03	162.03	758,024	-2.48(-1.51%)
Dec 05, 2011	165.05	165.13	162.90	164.51	818,471	+2.73(+1.69%)
Dec 02, 2011	164.55	164.98	161.38	161.78	726,839	-2.08(-1.27%)

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