Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	81.84	81.88	81.78	81.84	584,867	-0.02(-0.03%)
Jan 30, 2012	81.88	81.90	81.84	81.86	954,970	+0.02(+0.03%)
Jan 27, 2012	81.88	81.88	81.81	81.84	328,057	+0.06(+0.07%)
Jan 26, 2012	81.73	81.82	81.69	81.78	555,355	+0.14(+0.18%)
Jan 25, 2012	81.58	81.76	81.51	81.63	608,420	+0.11(+0.13%)
Jan 24, 2012	81.69	81.69	81.52	81.53	780,899	-0.11(-0.14%)
Jan 23, 2012	81.63	81.67	81.57	81.64	376,327	-0.01(-0.01%)
Jan 20, 2012	81.72	81.72	81.59	81.65	339,281	-0.07(-0.08%)
Jan 19, 2012	81.69	81.74	81.66	81.72	356,299	-0.04(-0.05%)
Jan 18, 2012	81.80	81.81	81.72	81.75	317,596	-0.05(-0.06%)
Jan 17, 2012	81.88	81.90	81.80	81.80	466,935	-0.07(-0.08%)
Jan 13, 2012	81.88	81.94	81.85	81.87	608,137	+0.05(+0.06%)
Jan 12, 2012	81.80	81.86	81.77	81.82	324,998	+0.08(+0.10%)
Jan 11, 2012	81.73	81.80	81.68	81.74	422,254	+0.05(+0.06%)
Jan 10, 2012	81.72	81.75	81.64	81.69	353,594	-0.03(-0.04%)
Jan 09, 2012	81.67	81.72	81.60	81.72	356,750	+0.08(+0.10%)
Jan 06, 2012	81.61	81.65	81.53	81.63	346,212	+0.10(+0.12%)
Jan 05, 2012	81.53	81.61	81.51	81.54	441,711	+0.01(+0.01%)
Jan 04, 2012	81.62	81.62	81.53	81.53	457,155	-0.08(-0.10%)
Dec 30, 2011	81.52	81.61	81.54	81.61	371,133	+0.09(+0.11%)
Dec 29, 2011	81.45	81.56	81.42	81.52	388,496	+0.10(+0.12%)
Dec 28, 2011	81.36	81.48	81.34	81.42	409,579	+0.10(+0.12%)
Dec 27, 2011	81.33	81.35	81.27	81.32	324,394	+0.03(+0.03%)
Dec 23, 2011	81.32	81.33	81.22	81.30	285,262	+0.02(+0.03%)
Dec 21, 2011	81.39	81.39	81.24	81.27	362,055	-0.08(-0.10%)
Dec 20, 2011	81.39	81.41	81.36	81.36	555,180	-0.05(-0.06%)
Dec 19, 2011	81.39	81.41	81.34	81.40	418,423	+0.05(+0.06%)
Dec 16, 2011	81.43	81.47	81.34	81.35	768,716	-0.08(-0.09%)
Dec 15, 2011	81.46	81.46	81.30	81.42	1,626,209	-0.09(-0.11%)
Dec 14, 2011	81.48	81.53	81.44	81.51	325,453	+0.06(+0.07%)
Dec 13, 2011	81.34	81.50	81.33	81.45	388,301	+0.14(+0.18%)
Dec 12, 2011	81.39	81.39	81.27	81.31	1,130,137	-0.03(-0.04%)
Dec 09, 2011	81.42	81.43	81.32	81.34	622,783	-0.05(-0.06%)
Dec 08, 2011	81.29	81.39	81.24	81.39	546,272	+0.17(+0.21%)
Dec 07, 2011	81.21	81.30	81.13	81.21	352,541	+0.12(+0.15%)
Dec 06, 2011	81.11	81.16	81.06	81.09	365,469	+0.01(+0.01%)
Dec 05, 2011	81.04	81.11	81.00	81.09	441,662	+0.03(+0.04%)
Dec 02, 2011	80.98	81.08	80.86	81.05	407,632	+0.04(+0.05%)
Dec 01, 2011	81.09	81.42	80.94	81.01	718,603	+0.01(+0.01%)
Nov 30, 2011	81.07	81.07	80.94	81.00	426,330	+0.05(+0.06%)
Nov 29, 2011	80.89	80.98	80.85	80.95	479,915	+0.03(+0.04%)
Nov 28, 2011	80.74	80.94	80.63	80.92	347,294	+0.11(+0.13%)
Nov 25, 2011	80.87	80.89	80.78	80.82	126,701	-0.09(-0.11%)
Nov 23, 2011	80.85	80.92	80.80	80.91	314,428	+0.02(+0.02%)
Nov 22, 2011	80.92	80.92	80.79	80.89	280,199	+0.00(+0.00%)
Nov 21, 2011	80.92	80.95	80.86	80.89	412,128	-0.02(-0.02%)
Nov 18, 2011	80.92	80.93	80.84	80.91	357,048	-0.02(-0.02%)
Nov 17, 2011	80.94	80.98	80.82	80.93	500,065	-0.06(-0.07%)
Nov 16, 2011	80.89	81.04	80.89	80.98	1,180,921	+0.12(+0.15%)
Nov 15, 2011	80.80	80.89	80.72	80.86	896,895	+0.02(+0.02%)
Nov 14, 2011	80.89	80.91	80.77	80.85	1,225,307	+0.05(+0.06%)
Nov 11, 2011	80.88	80.89	80.77	80.80	243,812	-0.08(-0.09%)
Nov 10, 2011	80.89	80.95	80.83	80.88	294,974	-0.02(-0.03%)
Nov 09, 2011	80.83	81.00	80.83	80.90	277,931	+0.02(+0.02%)
Nov 08, 2011	80.98	80.99	80.86	80.89	248,747	-0.05(-0.06%)
Nov 07, 2011	80.85	81.04	80.85	80.94	217,847	-0.08(-0.09%)
Nov 04, 2011	80.94	81.05	80.92	81.01	945,086	+0.12(+0.15%)
Nov 03, 2011	80.97	81.03	80.88	80.89	391,168	-0.14(-0.18%)
Nov 02, 2011	81.08	81.11	80.92	81.04	288,181	+0.03(+0.04%)

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