Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	80.71	80.71	79.84	79.84	230,633	-0.73(-0.91%)
Dec 29, 2011	80.02	80.65	79.96	80.57	168,622	+0.63(+0.78%)
Dec 28, 2011	80.10	80.10	79.81	79.95	230,951	-0.01(-0.01%)
Dec 27, 2011	79.81	79.96	79.69	79.96	258,406	+0.31(+0.39%)
Dec 23, 2011	79.73	79.77	79.48	79.65	154,197	+0.24(+0.31%)
Dec 21, 2011	79.36	79.42	79.23	79.40	331,826	+0.11(+0.14%)
Dec 20, 2011	79.29	79.31	79.19	79.29	196,826	+0.05(+0.06%)
Dec 19, 2011	79.22	79.27	79.02	79.24	253,316	+0.07(+0.08%)
Dec 16, 2011	79.01	79.17	78.97	79.17	311,701	+0.15(+0.19%)
Dec 15, 2011	79.09	79.09	78.90	79.03	257,043	+0.08(+0.10%)
Dec 14, 2011	78.87	79.04	78.79	78.95	248,430	+0.14(+0.18%)
Dec 13, 2011	78.87	78.91	78.73	78.81	222,526	-0.08(-0.10%)
Dec 12, 2011	78.91	78.94	78.73	78.89	241,735	+0.03(+0.04%)
Dec 09, 2011	78.87	78.88	78.65	78.86	171,476	+0.12(+0.15%)
Dec 08, 2011	78.84	78.85	78.69	78.74	342,484	-0.06(-0.07%)
Dec 07, 2011	78.54	78.84	78.54	78.80	235,105	+0.26(+0.33%)
Dec 06, 2011	78.20	78.55	78.20	78.54	290,792	+0.43(+0.55%)
Dec 05, 2011	78.15	78.21	78.01	78.12	192,941	-0.04(-0.06%)
Dec 02, 2011	77.90	78.16	77.89	78.16	217,693	+0.27(+0.35%)
Dec 01, 2011	77.93	77.96	77.78	77.89	218,456	-0.01(-0.01%)
Nov 30, 2011	77.84	77.97	77.82	77.90	283,953	-0.04(-0.05%)
Nov 29, 2011	77.78	77.94	77.78	77.93	263,520	-0.01(-0.02%)
Nov 28, 2011	78.40	78.51	77.83	77.95	140,960	-0.14(-0.18%)
Nov 25, 2011	78.17	78.17	77.96	78.09	85,388	-0.08(-0.10%)
Nov 23, 2011	78.13	78.17	77.86	78.17	127,178	+0.07(+0.08%)
Nov 22, 2011	78.00	78.10	77.82	78.10	221,934	+0.09(+0.11%)
Nov 21, 2011	77.96	78.03	77.78	78.01	171,462	+0.15(+0.20%)
Nov 18, 2011	77.80	77.86	77.68	77.86	189,477	+0.10(+0.12%)
Nov 17, 2011	77.76	77.77	77.62	77.76	181,174	+0.07(+0.09%)
Nov 16, 2011	77.71	77.71	77.55	77.69	281,979	+0.04(+0.06%)
Nov 15, 2011	77.81	77.83	77.58	77.65	216,235	-0.17(-0.22%)
Nov 14, 2011	77.84	77.87	77.69	77.82	133,465	-0.06(-0.08%)
Nov 11, 2011	77.82	77.90	77.73	77.87	170,194	+0.01(+0.02%)
Nov 10, 2011	77.98	77.98	77.72	77.86	117,447	+0.11(+0.14%)
Nov 09, 2011	77.71	77.88	77.71	77.75	102,644	+0.19(+0.25%)
Nov 08, 2011	77.77	77.84	77.54	77.56	202,648	-0.18(-0.23%)
Nov 07, 2011	77.86	77.96	77.70	77.73	152,499	-0.07(-0.09%)
Nov 04, 2011	78.34	78.51	77.78	77.81	194,413	+0.01(+0.01%)
Nov 03, 2011	77.84	77.91	77.79	77.80	165,786	-0.12(-0.16%)
Nov 02, 2011	77.82	77.93	77.59	77.93	181,499	+0.04(+0.05%)
Nov 01, 2011	77.84	77.95	77.51	77.89	84,648	+0.49(+0.63%)
Oct 31, 2011	77.42	77.66	77.27	77.40	508,726	-0.09(-0.11%)
Oct 28, 2011	77.61	77.61	77.34	77.49	103,717	-0.01(-0.01%)
Oct 27, 2011	77.81	77.81	77.41	77.50	157,341	-0.23(-0.29%)
Oct 26, 2011	77.50	77.73	77.50	77.72	100,790	+0.18(+0.24%)
Oct 25, 2011	77.59	77.65	77.31	77.54	128,978	+0.01(+0.02%)
Oct 24, 2011	77.78	77.78	77.28	77.53	431,749	-0.12(-0.16%)
Oct 21, 2011	77.64	77.65	77.33	77.65	74,092	+0.20(+0.26%)
Oct 20, 2011	77.45	77.46	77.31	77.45	113,843	+0.14(+0.18%)
Oct 19, 2011	77.61	77.61	77.19	77.31	153,540	-0.08(-0.10%)
Oct 18, 2011	77.35	77.45	77.20	77.40	210,402	+0.25(+0.32%)
Oct 17, 2011	77.27	77.57	77.02	77.15	89,560	-0.13(-0.17%)
Oct 14, 2011	77.46	77.49	77.27	77.27	135,577	-0.35(-0.46%)
Oct 13, 2011	77.15	77.63	77.07	77.63	186,301	+0.53(+0.68%)
Oct 12, 2011	77.04	77.10	76.76	77.10	207,299	+0.35(+0.46%)
Oct 11, 2011	77.08	77.25	76.61	76.75	218,788	-0.44(-0.58%)
Oct 10, 2011	77.06	77.24	77.01	77.20	148,612	-0.03(-0.04%)
Oct 07, 2011	77.09	77.26	76.82	77.23	160,606	+0.20(+0.27%)
Oct 06, 2011	77.01	77.18	76.85	77.02	251,268	-0.24(-0.31%)
Oct 05, 2011	77.90	78.05	77.02	77.26	214,553	-0.53(-0.69%)
Oct 04, 2011	78.11	78.11	77.56	77.80	205,194	-0.18(-0.23%)

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