Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	82.49	83.80	82.06	83.74	1,022,513	+1.65(+2.00%)
Feb 28, 2012	81.65	82.30	81.06	82.09	413,249	+0.38(+0.47%)
Feb 27, 2012	80.46	82.55	80.24	81.71	463,740	+0.52(+0.64%)
Feb 24, 2012	80.91	81.35	80.22	81.19	356,759	+0.26(+0.32%)
Feb 23, 2012	80.83	81.44	80.40	80.93	368,738	-0.06(-0.07%)
Feb 22, 2012	81.03	81.46	80.54	80.99	404,373	-0.04(-0.05%)
Feb 21, 2012	81.42	82.25	80.39	81.03	638,917	+0.03(+0.04%)
Feb 17, 2012	81.27	81.66	80.57	81.00	312,549	+0.11(+0.13%)
Feb 16, 2012	80.31	81.70	80.16	80.89	442,243	+0.41(+0.51%)
Feb 15, 2012	81.28	81.66	79.97	80.48	708,869	-0.66(-0.81%)
Feb 14, 2012	80.45	81.28	79.98	81.14	513,648	+0.33(+0.40%)
Feb 13, 2012	80.75	81.18	80.13	80.81	684,483	+0.73(+0.91%)
Feb 10, 2012	79.61	80.24	79.25	80.08	760,332	+0.03(+0.04%)
Feb 09, 2012	79.83	80.52	79.00	80.05	628,156	+0.22(+0.27%)
Feb 08, 2012	80.25	81.71	79.07	79.84	1,109,542	+1.90(+2.44%)
Feb 07, 2012	76.84	78.54	76.39	77.94	635,200	+0.80(+1.03%)
Feb 06, 2012	76.70	77.43	76.20	77.14	410,989	+0.20(+0.26%)
Feb 03, 2012	75.96	77.56	75.29	76.94	982,881	+1.82(+2.43%)
Feb 02, 2012	75.60	75.76	75.01	75.12	898,006	-0.21(-0.27%)
Feb 01, 2012	76.59	76.61	75.03	75.33	1,242,497	-0.71(-0.93%)
Jan 31, 2012	75.93	76.61	75.32	76.03	946,364	+0.56(+0.74%)
Jan 30, 2012	74.94	76.02	74.31	75.47	397,483	-0.08(-0.10%)
Jan 27, 2012	75.80	76.12	75.34	75.55	483,686	-0.24(-0.31%)
Jan 26, 2012	76.67	76.79	75.29	75.79	758,858	-0.65(-0.85%)
Jan 25, 2012	76.55	76.82	75.53	76.44	977,699	-0.33(-0.44%)
Jan 24, 2012	75.02	77.20	74.78	76.77	1,259,069	+1.64(+2.18%)
Jan 23, 2012	75.36	76.32	74.70	75.14	814,361	-0.35(-0.47%)
Jan 20, 2012	75.85	76.11	75.14	75.49	614,798	-0.31(-0.40%)
Jan 19, 2012	75.03	76.24	74.76	75.80	906,729	+0.93(+1.24%)
Jan 18, 2012	73.47	75.24	72.87	74.87	1,134,915	+1.00(+1.36%)
Jan 17, 2012	75.00	75.23	73.43	73.87	793,326	-0.40(-0.54%)
Jan 13, 2012	74.23	75.94	73.87	74.27	1,049,087	-0.76(-1.01%)
Jan 12, 2012	71.20	75.39	69.53	75.03	3,240,034	+2.24(+3.07%)
Jan 11, 2012	72.84	73.29	72.50	72.79	890,803	-0.10(-0.14%)
Jan 10, 2012	72.83	73.14	72.11	72.89	667,278	+0.20(+0.27%)
Jan 09, 2012	73.40	73.64	71.25	72.70	994,440	+0.14(+0.19%)
Jan 06, 2012	71.71	72.82	70.73	72.56	859,667	+0.97(+1.35%)
Jan 05, 2012	71.80	72.17	69.34	71.59	894,790	-1.16(-1.60%)
Jan 04, 2012	70.16	72.76	69.99	72.75	977,920	+3.32(+4.78%)
Dec 30, 2011	69.82	70.20	69.41	69.44	376,699	-0.09(-0.13%)
Dec 29, 2011	68.99	70.11	68.61	69.52	481,479	+0.76(+1.10%)
Dec 28, 2011	69.94	70.01	68.57	68.77	434,592	-1.36(-1.94%)
Dec 27, 2011	68.90	70.69	68.90	70.12	540,699	+0.93(+1.34%)
Dec 23, 2011	67.72	69.22	67.72	69.20	268,881	+1.79(+2.66%)
Dec 21, 2011	65.70	67.59	65.37	67.41	2,547,405	-0.19(-0.28%)
Dec 20, 2011	67.98	68.46	67.14	67.59	567,805	+0.71(+1.06%)
Dec 19, 2011	68.04	68.78	66.75	66.88	653,126	-0.67(-0.99%)
Dec 16, 2011	68.43	68.85	67.10	67.55	1,152,747	-0.25(-0.36%)
Dec 15, 2011	67.59	67.95	65.96	67.80	1,162,866	+1.00(+1.50%)
Dec 14, 2011	66.88	67.47	66.23	66.80	1,015,463	-0.55(-0.82%)
Dec 13, 2011	70.88	70.91	66.52	67.35	582,555	-2.79(-3.97%)
Dec 12, 2011	69.94	70.41	69.06	70.13	814,736	-0.75(-1.06%)
Dec 09, 2011	69.80	71.22	68.72	70.88	1,187,831	+1.37(+1.97%)
Dec 08, 2011	70.08	71.62	69.19	69.51	1,115,255	-2.10(-2.93%)
Dec 07, 2011	72.88	73.34	70.70	71.61	1,115,216	-2.11(-2.86%)
Dec 06, 2011	73.87	74.27	73.44	73.72	936,673	+0.01(+0.01%)
Dec 05, 2011	72.29	74.12	71.88	73.71	1,757,534	+2.02(+2.82%)
Dec 02, 2011	71.17	73.03	69.04	71.69	3,334,288	+5.08(+7.63%)

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