Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	82.51	83.82	82.09	83.76	1,022,191	+1.65(+2.00%)
Feb 28, 2012	81.68	82.33	81.08	82.12	413,119	+0.38(+0.47%)
Feb 27, 2012	80.48	82.57	80.27	81.73	463,594	+0.52(+0.64%)
Feb 24, 2012	80.94	81.38	80.25	81.21	356,647	+0.26(+0.32%)
Feb 23, 2012	80.86	81.47	80.43	80.96	368,622	-0.06(-0.07%)
Feb 22, 2012	81.05	81.49	80.56	81.02	404,246	-0.04(-0.05%)
Feb 21, 2012	81.45	82.28	80.41	81.05	638,716	+0.03(+0.04%)
Feb 17, 2012	81.29	81.69	80.59	81.02	312,451	+0.11(+0.13%)
Feb 16, 2012	80.34	81.72	80.19	80.92	442,104	+0.41(+0.51%)
Feb 15, 2012	81.30	81.69	79.99	80.50	708,646	-0.66(-0.81%)
Feb 14, 2012	80.47	81.30	80.01	81.16	513,486	+0.33(+0.40%)
Feb 13, 2012	80.78	81.20	80.16	80.84	684,267	+0.73(+0.91%)
Feb 10, 2012	79.64	80.27	79.28	80.11	760,093	+0.03(+0.04%)
Feb 09, 2012	79.85	80.54	79.02	80.08	627,958	+0.22(+0.27%)
Feb 08, 2012	80.28	81.73	79.09	79.86	1,109,193	+1.90(+2.44%)
Feb 07, 2012	76.87	78.56	76.41	77.96	635,000	+0.80(+1.03%)
Feb 06, 2012	76.73	77.46	76.23	77.16	410,860	+0.20(+0.26%)
Feb 03, 2012	75.98	77.59	75.31	76.97	982,572	+1.82(+2.43%)
Feb 02, 2012	75.63	75.79	75.03	75.14	897,724	-0.21(-0.27%)
Feb 01, 2012	76.61	76.63	75.05	75.35	1,242,106	-0.71(-0.93%)
Jan 31, 2012	75.95	76.63	75.34	76.06	946,066	+0.56(+0.74%)
Jan 30, 2012	74.97	76.05	74.33	75.50	397,358	-0.08(-0.10%)
Jan 27, 2012	75.82	76.15	75.36	75.58	483,534	-0.24(-0.31%)
Jan 26, 2012	76.70	76.82	75.31	75.81	758,619	-0.65(-0.85%)
Jan 25, 2012	76.57	76.85	75.56	76.46	977,391	-0.34(-0.44%)
Jan 24, 2012	75.04	77.22	74.81	76.80	1,258,673	+1.64(+2.18%)
Jan 23, 2012	75.38	76.34	74.73	75.16	814,105	-0.35(-0.47%)
Jan 20, 2012	75.87	76.14	75.16	75.52	614,604	-0.31(-0.40%)
Jan 19, 2012	75.05	76.27	74.79	75.82	906,444	+0.93(+1.24%)
Jan 18, 2012	73.50	75.26	72.90	74.90	1,134,558	+1.01(+1.36%)
Jan 17, 2012	75.02	75.25	73.46	73.89	793,076	-0.40(-0.54%)
Jan 13, 2012	74.26	75.96	73.89	74.29	1,048,757	-0.76(-1.01%)
Jan 12, 2012	71.22	75.42	69.56	75.05	3,239,015	+2.24(+3.07%)
Jan 11, 2012	72.87	73.31	72.52	72.82	890,523	-0.10(-0.14%)
Jan 10, 2012	72.86	73.16	72.14	72.92	667,068	+0.20(+0.27%)
Jan 09, 2012	73.43	73.66	71.27	72.72	994,128	+0.14(+0.19%)
Jan 06, 2012	71.73	72.85	70.75	72.58	859,397	+0.97(+1.35%)
Jan 05, 2012	71.82	72.20	69.36	71.61	894,509	-1.16(-1.60%)
Jan 04, 2012	70.19	72.79	70.01	72.78	977,613	+3.32(+4.78%)
Dec 30, 2011	69.84	70.23	69.43	69.46	376,581	-0.09(-0.13%)
Dec 29, 2011	69.01	70.14	68.63	69.55	481,328	+0.76(+1.10%)
Dec 28, 2011	69.96	70.03	68.59	68.79	434,455	-1.36(-1.94%)
Dec 27, 2011	68.92	70.71	68.92	70.15	540,529	+0.93(+1.34%)
Dec 23, 2011	67.74	69.24	67.74	69.22	268,796	+1.79(+2.66%)
Dec 21, 2011	65.72	67.61	65.39	67.43	2,546,604	-0.19(-0.28%)
Dec 20, 2011	68.00	68.48	67.16	67.61	567,627	+0.71(+1.06%)
Dec 19, 2011	68.06	68.80	66.77	66.90	652,921	-0.67(-0.99%)
Dec 16, 2011	68.45	68.88	67.12	67.57	1,152,384	-0.25(-0.36%)
Dec 15, 2011	67.61	67.97	65.98	67.82	1,162,500	+1.01(+1.50%)
Dec 14, 2011	66.90	67.50	66.25	66.82	1,015,144	-0.55(-0.82%)
Dec 13, 2011	70.91	70.93	66.54	67.37	582,372	-2.79(-3.97%)
Dec 12, 2011	69.96	70.43	69.08	70.16	814,480	-0.75(-1.06%)
Dec 09, 2011	69.82	71.24	68.74	70.91	1,187,457	+1.37(+1.97%)
Dec 08, 2011	70.10	71.64	69.21	69.54	1,114,904	-2.10(-2.93%)
Dec 07, 2011	72.91	73.36	70.72	71.63	1,114,865	-2.11(-2.86%)
Dec 06, 2011	73.89	74.29	73.47	73.74	936,378	+0.01(+0.01%)
Dec 05, 2011	72.31	74.15	71.90	73.73	1,756,981	+2.02(+2.82%)
Dec 02, 2011	71.19	73.05	69.06	71.71	3,333,239	+5.08(+7.63%)
Dec 01, 2011	66.89	67.35	65.67	66.63	1,643,915	-0.27(-0.40%)
Nov 30, 2011	68.83	69.09	66.02	66.89	1,402,768	+0.74(+1.12%)
Nov 29, 2011	66.47	67.08	65.30	66.16	948,891	-0.61(-0.91%)
Nov 28, 2011	66.40	67.98	66.03	66.77	1,182,249	+3.12(+4.91%)
Nov 25, 2011	63.67	64.45	63.36	63.64	263,513	-0.34(-0.54%)
Nov 23, 2011	63.67	64.57	63.26	63.99	653,124	-0.39(-0.61%)
Nov 22, 2011	62.68	65.44	62.68	64.38	1,246,349	+1.72(+2.75%)
Nov 21, 2011	62.86	63.84	61.89	62.66	1,665,997	-2.18(-3.36%)
Nov 18, 2011	66.31	66.41	64.79	64.84	693,390	-0.88(-1.33%)
Nov 17, 2011	67.18	67.89	64.96	65.71	1,223,155	-1.89(-2.80%)
Nov 16, 2011	67.79	68.50	67.25	67.60	883,830	-1.19(-1.73%)
Nov 15, 2011	69.06	69.86	67.99	68.80	789,224	-0.46(-0.67%)
Nov 14, 2011	69.43	70.23	68.83	69.26	398,444	-0.50(-0.72%)
Nov 11, 2011	68.54	70.55	68.03	69.76	565,969	+2.20(+3.25%)
Nov 10, 2011	69.01	69.35	66.62	67.56	973,840	-0.69(-1.01%)
Nov 09, 2011	70.26	70.26	67.41	68.25	1,223,372	-4.11(-5.68%)
Nov 08, 2011	72.40	72.93	70.52	72.36	683,834	+0.20(+0.27%)
Nov 07, 2011	72.65	73.57	70.92	72.17	525,439	-0.79(-1.08%)
Nov 04, 2011	72.88	73.85	71.37	72.95	780,178	-0.56(-0.76%)
Nov 03, 2011	74.93	74.93	69.47	73.52	2,361,855	-1.18(-1.58%)
Nov 02, 2011	74.35	74.80	72.28	74.70	1,402,020	+1.69(+2.32%)
Nov 01, 2011	70.11	73.65	69.59	73.00	1,585,427	-0.32(-0.43%)
Oct 31, 2011	72.24	74.00	71.59	73.32	1,587,791	-0.35(-0.48%)
Oct 28, 2011	71.93	73.74	71.57	73.67	1,065,313	+1.54(+2.13%)
Oct 27, 2011	72.29	72.59	70.94	72.14	1,746,635	+2.97(+4.29%)
Oct 26, 2011	70.91	70.97	68.39	69.17	1,131,017	-0.55(-0.79%)
Oct 25, 2011	71.61	72.22	69.62	69.72	1,044,492	-2.36(-3.27%)
Oct 24, 2011	69.98	72.94	69.72	72.08	1,044,272	+3.00(+4.34%)
Oct 21, 2011	67.40	69.33	67.40	69.08	1,335,976	+2.52(+3.79%)
Oct 20, 2011	65.00	66.83	64.32	66.56	873,074	+1.69(+2.61%)
Oct 19, 2011	65.56	65.82	64.23	64.87	1,071,413	-0.64(-0.98%)
Oct 18, 2011	64.50	66.11	62.05	65.51	951,949	+0.81(+1.25%)
Oct 17, 2011	66.13	66.35	64.38	64.70	1,188,966	-2.14(-3.20%)
Oct 14, 2011	66.31	66.96	65.69	66.84	839,992	+1.63(+2.49%)
Oct 13, 2011	65.02	65.75	64.20	65.21	854,345	-0.54(-0.82%)
Oct 12, 2011	64.16	67.76	64.01	65.75	1,467,229	+2.65(+4.20%)
Oct 11, 2011	62.98	63.77	62.12	63.10	930,036	+0.01(+0.02%)
Oct 10, 2011	61.91	63.70	61.64	63.09	1,015,215	+2.63(+4.35%)
Oct 07, 2011	60.85	61.76	59.54	60.46	813,166	+0.14(+0.23%)
Oct 06, 2011	60.40	60.81	59.30	60.32	867,694	+1.79(+3.06%)
Oct 05, 2011	56.69	59.04	54.78	58.53	1,134,916	+1.99(+3.52%)
Oct 04, 2011	53.95	56.67	52.73	56.54	1,943,499	+1.13(+2.05%)
Oct 03, 2011	56.78	58.77	55.07	55.41	1,246,059	-1.98(-3.45%)
Sep 30, 2011	60.12	60.50	57.37	57.39	1,351,476	-3.91(-6.38%)
Sep 29, 2011	64.30	64.30	57.67	61.30	1,469,138	-1.51(-2.40%)
Sep 28, 2011	64.49	65.93	62.62	62.81	793,607	-1.58(-2.45%)
Sep 27, 2011	64.88	65.99	63.91	64.38	953,550	+1.01(+1.59%)
Sep 26, 2011	63.00	63.44	60.37	63.38	896,010	+1.15(+1.85%)
Sep 23, 2011	59.77	62.28	59.26	62.22	1,321,788	+2.22(+3.69%)
Sep 22, 2011	59.48	61.55	58.53	60.01	1,749,189	-1.88(-3.04%)
Sep 21, 2011	65.05	65.42	61.49	61.89	1,484,702	-3.05(-4.70%)
Sep 20, 2011	65.45	66.12	64.34	64.94	1,275,532	-0.33(-0.50%)
Sep 19, 2011	63.68	65.81	62.87	65.27	978,502	+0.14(+0.21%)
Sep 16, 2011	64.86	65.60	63.53	65.13	1,250,899	+0.43(+0.67%)
Sep 15, 2011	64.47	65.01	63.03	64.70	767,360	+1.14(+1.80%)
Sep 14, 2011	62.80	64.84	61.07	63.55	1,219,851	+1.16(+1.86%)
Sep 13, 2011	61.60	62.93	60.97	62.39	1,232,443	+1.29(+2.11%)
Sep 12, 2011	59.44	62.48	59.00	61.10	1,490,649	+0.54(+0.89%)
Sep 09, 2011	61.53	63.47	59.49	60.56	1,740,948	-1.73(-2.78%)
Sep 08, 2011	62.14	64.01	61.93	62.29	1,221,737	-0.45(-0.72%)
Sep 07, 2011	61.03	63.39	60.32	62.75	1,783,073	+2.93(+4.89%)
Sep 06, 2011	59.29	60.60	57.90	59.82	1,686,862	-1.69(-2.74%)
Sep 02, 2011	64.08	64.10	60.93	61.51	1,422,310	-3.92(-5.99%)
Sep 01, 2011	65.94	67.62	64.99	65.43	1,644,624	-0.26(-0.39%)
Aug 31, 2011	65.68	67.93	64.19	65.68	2,305,914	+1.73(+2.71%)
Aug 30, 2011	63.27	64.28	61.94	63.95	1,496,262	+0.40(+0.64%)
Aug 29, 2011	61.49	63.82	61.27	63.54	1,259,346	+3.36(+5.58%)
Aug 26, 2011	56.52	60.69	56.20	60.18	1,152,763	+3.33(+5.86%)
Aug 25, 2011	59.20	60.09	56.48	56.85	1,284,268	-1.62(-2.76%)
Aug 24, 2011	56.19	58.81	55.65	58.47	1,360,473	+2.73(+4.90%)
Aug 23, 2011	52.22	55.99	51.50	55.74	1,072,295	+3.78(+7.28%)
Aug 22, 2011	52.03	53.40	51.50	51.96	1,206,561	+1.24(+2.45%)
Aug 19, 2011	53.20	54.87	50.40	50.72	2,208,100	-3.25(-6.03%)
Aug 18, 2011	57.92	57.97	53.37	53.97	2,225,657	-5.78(-9.68%)
Aug 17, 2011	62.34	62.90	59.12	59.75	1,216,747	-1.99(-3.22%)
Aug 16, 2011	62.97	63.03	61.09	61.74	916,363	-2.06(-3.23%)
Aug 15, 2011	63.91	65.03	62.42	63.80	868,520	+0.18(+0.28%)
Aug 12, 2011	62.68	64.08	61.40	63.62	1,093,669	+1.45(+2.33%)
Aug 11, 2011	59.45	63.03	59.24	62.18	1,417,935	+3.09(+5.24%)
Aug 10, 2011	59.05	62.09	58.63	59.08	2,009,538	-0.99(-1.64%)
Aug 09, 2011	63.36	60.08	55.00	60.07	1,785,571	+2.99(+5.23%)
Aug 08, 2011	63.36	64.12	56.23	57.08	3,240,818	-8.57(-13.06%)
Aug 05, 2011	62.57	66.22	61.07	65.65	2,497,988	+4.12(+6.69%)
Aug 04, 2011	66.84	67.36	61.42	61.53	2,383,006	-6.88(-10.05%)
Aug 03, 2011	66.75	68.60	64.69	68.41	1,131,095	+1.86(+2.80%)
Aug 02, 2011	68.87	69.78	66.45	66.55	1,655,912	-3.10(-4.46%)
Aug 01, 2011	71.60	72.09	68.91	69.65	1,637,317	-0.85(-1.20%)
Jul 29, 2011	69.91	71.13	68.46	70.50	787,057	-0.23(-0.32%)
Jul 28, 2011	71.02	72.40	70.53	70.73	799,137	+0.03(+0.04%)
Jul 27, 2011	72.60	72.60	70.52	70.70	863,615	-1.90(-2.62%)
Jul 26, 2011	73.04	73.79	72.47	72.60	898,536	-0.52(-0.71%)
Jul 25, 2011	72.85	73.64	72.54	73.12	515,155	-0.45(-0.62%)
Jul 22, 2011	73.62	73.71	73.49	73.58	400,164	-0.38(-0.52%)
Jul 21, 2011	73.60	74.75	73.07	73.96	1,125,467	+1.11(+1.53%)
Jul 20, 2011	74.05	74.05	72.08	72.85	790,322	-1.34(-1.81%)
Jul 19, 2011	72.92	74.48	72.79	74.19	1,444,651	+1.87(+2.59%)
Jul 18, 2011	72.57	73.10	71.68	72.31	1,527,399	-0.38(-0.53%)
Jul 15, 2011	72.21	72.95	71.68	72.70	1,986,927	+0.97(+1.35%)

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