Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2012	18.56	18.57	18.16	18.23	456,453	-0.27(-1.45%)
Nov 29, 2012	18.41	18.63	18.23	18.49	241,931	+0.28(+1.52%)
Nov 28, 2012	17.91	18.23	17.84	18.22	336,636	+0.18(+1.01%)
Nov 27, 2012	17.90	18.24	17.65	18.03	532,190	+0.07(+0.38%)
Nov 26, 2012	17.71	17.97	17.57	17.97	241,086	+0.14(+0.77%)
Nov 23, 2012	17.64	17.83	17.54	17.83	130,946	+0.27(+1.52%)
Nov 21, 2012	17.61	17.72	17.48	17.56	231,314	-0.05(-0.29%)
Nov 20, 2012	17.52	17.76	17.46	17.61	386,221	+0.04(+0.24%)
Nov 19, 2012	17.42	17.60	17.27	17.57	624,874	+0.43(+2.51%)
Nov 16, 2012	17.15	17.32	16.95	17.14	881,017	-0.03(-0.15%)
Nov 15, 2012	17.30	17.40	16.99	17.17	380,157	-0.19(-1.09%)
Nov 14, 2012	17.76	17.82	17.32	17.36	378,785	-0.41(-2.32%)
Nov 13, 2012	18.02	18.08	17.54	17.77	446,775	-0.36(-1.99%)
Nov 12, 2012	18.33	18.50	17.94	18.13	415,555	-0.18(-0.99%)
Nov 09, 2012	18.09	18.54	17.26	18.31	575,840	+0.09(+0.52%)
Nov 08, 2012	18.00	18.82	17.88	18.22	535,109	-0.52(-2.80%)
Nov 07, 2012	19.21	19.21	18.68	18.74	333,524	-0.66(-3.41%)
Nov 06, 2012	19.81	19.94	19.36	19.40	373,433	-0.13(-0.66%)
Nov 05, 2012	19.40	19.70	19.24	19.53	251,415	+0.12(+0.62%)
Nov 02, 2012	19.86	19.92	19.35	19.41	554,726	-0.31(-1.57%)
Nov 01, 2012	19.70	20.08	19.06	19.72	547,392	+0.04(+0.22%)
Oct 31, 2012	19.24	20.03	19.17	19.68	506,631	-0.14(-0.69%)
Oct 26, 2012	20.35	19.81	19.81	19.81	572,428	-0.49(-2.41%)
Oct 25, 2012	20.55	20.66	20.24	20.31	260,412	-0.08(-0.38%)
Oct 24, 2012	20.50	20.80	20.30	20.38	151,494	+0.03(+0.13%)
Oct 23, 2012	20.37	20.43	20.18	20.36	245,924	-0.19(-0.92%)
Oct 19, 2012	20.86	20.98	20.43	20.55	236,817	-0.52(-2.49%)
Oct 18, 2012	21.02	21.27	20.99	21.07	184,378	-0.01(-0.04%)
Oct 17, 2012	20.96	21.16	20.92	21.08	178,999	+0.12(+0.57%)
Oct 16, 2012	20.89	21.01	20.82	20.96	184,212	+0.14(+0.66%)
Oct 15, 2012	20.74	20.88	20.55	20.82	210,648	+0.14(+0.67%)
Oct 12, 2012	20.91	21.15	20.62	20.68	275,066	-0.26(-1.23%)
Oct 11, 2012	20.92	21.06	20.89	20.94	222,785	+0.17(+0.83%)
Oct 10, 2012	21.06	21.07	20.74	20.77	332,316	-0.29(-1.39%)
Oct 09, 2012	21.46	21.50	21.06	21.06	141,307	-0.40(-1.88%)
Oct 08, 2012	21.43	21.52	21.37	21.47	155,290	-0.12(-0.56%)
Oct 05, 2012	21.61	21.96	21.54	21.59	137,893	+0.05(+0.24%)
Oct 04, 2012	21.56	21.60	21.32	21.53	136,594	+0.13(+0.60%)
Oct 03, 2012	21.50	21.52	21.26	21.41	145,215	-0.07(-0.32%)
Oct 02, 2012	21.65	21.65	21.28	21.47	143,122	-0.08(-0.36%)
Oct 01, 2012	21.58	21.84	21.41	21.55	163,613	+0.04(+0.20%)
Sep 28, 2012	21.50	21.66	21.36	21.51	214,036	-0.15(-0.71%)
Sep 27, 2012	21.60	21.77	21.40	21.66	217,006	+0.08(+0.36%)
Sep 26, 2012	21.72	21.78	21.49	21.59	161,984	-0.13(-0.59%)
Sep 25, 2012	22.15	22.20	21.67	21.72	265,845	-0.28(-1.29%)
Sep 24, 2012	22.23	22.35	21.89	22.00	484,048	-0.38(-1.69%)
Sep 21, 2012	22.62	22.69	22.16	22.38	423,905	+0.08(+0.35%)
Sep 20, 2012	22.20	22.33	22.04	22.30	219,640	-0.09(-0.38%)
Sep 19, 2012	22.27	22.49	22.17	22.39	246,581	+0.12(+0.54%)
Sep 18, 2012	22.09	22.34	22.09	22.27	399,021	+0.13(+0.58%)
Sep 17, 2012	22.24	22.27	21.94	22.14	303,138	-0.17(-0.77%)
Sep 14, 2012	22.09	22.33	21.91	22.31	493,284	+0.31(+1.41%)
Sep 13, 2012	21.65	22.31	21.53	22.00	266,611	+0.38(+1.75%)
Sep 12, 2012	21.71	21.80	21.53	21.62	186,571	+0.03(+0.12%)
Sep 11, 2012	21.29	21.61	21.22	21.60	341,881	+0.38(+1.78%)
Sep 10, 2012	21.10	21.34	20.86	21.22	214,511	+0.03(+0.12%)
Sep 07, 2012	21.04	21.19	20.83	21.19	151,168	+0.26(+1.23%)
Sep 06, 2012	20.66	21.13	20.63	20.93	214,033	+0.46(+2.27%)
Sep 05, 2012	20.49	20.69	20.39	20.47	214,378	+0.07(+0.34%)
Sep 04, 2012	20.36	20.60	20.09	20.40	214,529	+0.04(+0.21%)
Aug 31, 2012	20.58	20.63	20.24	20.36	168,870	-0.01(-0.04%)
Aug 30, 2012	20.35	20.49	20.31	20.37	125,630	-0.26(-1.25%)
Aug 29, 2012	20.38	20.77	20.29	20.62	229,224	+0.30(+1.48%)
Aug 27, 2012	20.35	20.38	20.12	20.32	126,169	+0.03(+0.17%)
Aug 24, 2012	20.25	20.46	20.18	20.29	129,137	+0.01(+0.04%)
Aug 23, 2012	20.59	20.59	20.13	20.28	140,140	-0.38(-1.82%)
Aug 22, 2012	20.93	20.93	20.54	20.66	125,286	-0.33(-1.59%)
Aug 21, 2012	20.86	21.31	20.80	20.99	204,043	+0.20(+0.95%)
Aug 20, 2012	20.82	20.87	20.66	20.79	105,205	-0.12(-0.57%)
Aug 17, 2012	20.81	20.97	20.68	20.91	243,943	+0.04(+0.21%)
Aug 16, 2012	20.55	20.90	20.42	20.87	116,667	+0.34(+1.67%)
Aug 15, 2012	20.29	20.60	20.29	20.53	162,040	+0.15(+0.71%)
Aug 14, 2012	20.42	20.52	20.30	20.38	309,028	+0.03(+0.17%)
Aug 13, 2012	20.26	20.45	20.23	20.35	227,319	-0.02(-0.08%)
Aug 10, 2012	20.19	20.40	20.07	20.36	190,874	+0.14(+0.68%)
Aug 09, 2012	20.10	20.39	20.09	20.23	239,144	+0.07(+0.34%)
Aug 08, 2012	20.05	20.30	20.05	20.16	248,183	+0.04(+0.21%)
Aug 07, 2012	20.06	20.26	19.88	20.12	297,173	+0.17(+0.86%)
Aug 06, 2012	20.32	20.53	19.77	19.95	340,932	-0.39(-1.90%)
Aug 03, 2012	19.52	20.49	19.47	20.33	471,582	+1.18(+6.17%)
Aug 02, 2012	19.09	19.31	18.90	19.15	309,581	-0.09(-0.49%)
Aug 01, 2012	20.54	20.54	19.17	19.24	852,156	-1.19(-5.83%)
Jul 31, 2012	20.28	20.61	20.16	20.43	845,621	+0.10(+0.51%)
Jul 30, 2012	19.77	20.43	19.65	20.33	464,073	+0.64(+3.26%)
Jul 27, 2012	18.98	19.91	18.52	19.69	711,299	+0.65(+3.42%)
Jul 26, 2012	19.59	19.71	18.92	19.04	408,363	-0.12(-0.63%)
Jul 25, 2012	19.18	19.50	19.03	19.16	164,188	+0.13(+0.67%)
Jul 24, 2012	19.41	19.46	18.76	19.03	525,177	-0.38(-1.94%)
Jul 23, 2012	19.35	19.59	19.34	19.41	313,798	-0.33(-1.65%)
Jul 20, 2012	19.95	20.22	19.47	19.73	586,030	-0.39(-1.96%)
Jul 19, 2012	20.19	20.33	19.88	20.13	326,087	+0.10(+0.51%)
Jul 18, 2012	19.95	20.12	18.96	20.02	453,634	+0.08(+0.39%)
Jul 17, 2012	19.46	20.17	19.35	19.95	460,949	+0.66(+3.42%)
Jul 16, 2012	19.51	19.56	19.18	19.29	157,433	-0.29(-1.49%)
Jul 13, 2012	19.25	19.62	19.16	19.58	245,841	+0.45(+2.33%)
Jul 12, 2012	19.16	19.23	18.87	19.13	373,780	-0.22(-1.15%)
Jul 11, 2012	19.71	19.76	19.32	19.35	288,594	-0.33(-1.65%)
Jul 10, 2012	20.07	20.15	19.61	19.68	403,567	-0.21(-1.08%)
Jul 09, 2012	19.91	19.98	19.74	19.89	343,935	-0.03(-0.17%)
Jul 06, 2012	20.10	20.15	19.84	19.93	204,397	-0.46(-2.27%)
Jul 05, 2012	20.63	20.71	20.24	20.39	429,824	-0.39(-1.90%)
Jul 03, 2012	20.51	20.78	20.41	20.78	270,789	+0.23(+1.13%)
Jul 02, 2012	20.80	20.93	20.36	20.55	402,932	-0.25(-1.19%)
Jun 29, 2012	20.21	20.82	20.20	20.80	210,349	+1.06(+5.38%)
Jun 28, 2012	19.87	19.98	19.49	19.74	393,532	-0.33(-1.62%)
Jun 27, 2012	19.63	20.13	19.63	20.07	267,158	+0.49(+2.49%)
Jun 26, 2012	19.75	19.83	19.35	19.58	241,879	-0.08(-0.39%)
Jun 25, 2012	19.95	19.95	19.54	19.65	251,793	-0.63(-3.12%)
Jun 22, 2012	20.18	20.31	19.95	20.29	386,415	+0.18(+0.89%)
Jun 21, 2012	20.51	20.52	19.97	20.11	596,169	-0.37(-1.80%)
Jun 20, 2012	20.98	20.98	20.42	20.48	333,500	-0.57(-2.69%)
Jun 19, 2012	20.79	21.30	20.66	21.04	284,013	+0.27(+1.28%)
Jun 18, 2012	20.40	20.81	20.30	20.78	235,441	+0.27(+1.29%)
Jun 15, 2012	20.69	20.70	20.44	20.51	409,940	-0.17(-0.83%)
Jun 14, 2012	20.30	20.76	20.15	20.68	293,895	+0.43(+2.11%)
Jun 13, 2012	20.63	20.71	20.12	20.25	600,288	-0.47(-2.27%)
Jun 12, 2012	20.37	20.77	20.30	20.72	330,787	+0.46(+2.28%)
Jun 11, 2012	20.96	21.02	20.22	20.26	376,975	-0.44(-2.11%)
Jun 08, 2012	20.31	20.78	20.13	20.70	233,973	+0.30(+1.47%)
Jun 07, 2012	20.67	20.89	20.36	20.40	350,581	+0.00(+0.00%)
Jun 06, 2012	20.05	20.42	20.01	20.40	291,909	+0.55(+2.76%)
Jun 05, 2012	19.35	20.06	19.18	19.85	565,168	+0.40(+2.07%)
Jun 04, 2012	19.61	19.63	19.20	19.45	426,978	-0.09(-0.44%)
Jun 01, 2012	19.23	19.90	19.10	19.53	778,040	-0.39(-1.98%)
May 31, 2012	19.96	20.02	19.43	19.93	589,757	-0.03(-0.17%)
May 30, 2012	20.01	20.03	19.70	19.96	340,750	-0.15(-0.77%)
May 29, 2012	19.99	20.16	19.86	20.12	253,445	+0.35(+1.78%)
May 25, 2012	20.13	20.15	19.68	19.77	244,733	-0.33(-1.66%)
May 24, 2012	20.37	20.40	19.69	20.10	336,810	-0.26(-1.26%)
May 23, 2012	20.00	20.36	19.61	20.36	381,697	+0.13(+0.63%)
May 22, 2012	20.30	20.46	20.10	20.23	333,355	-0.03(-0.17%)
May 21, 2012	20.07	20.46	19.90	20.26	505,347	+0.33(+1.67%)
May 18, 2012	20.18	20.25	19.81	19.93	317,804	-0.25(-1.23%)
May 17, 2012	20.85	20.91	20.18	20.18	328,600	-0.67(-3.19%)
May 16, 2012	20.94	21.10	20.80	20.84	364,610	+0.02(+0.08%)
May 15, 2012	20.82	21.11	20.75	20.82	203,097	+0.03(+0.16%)
May 14, 2012	21.05	21.15	20.76	20.79	282,526	-0.55(-2.56%)
May 11, 2012	21.24	21.68	21.22	21.34	232,832	-0.09(-0.40%)
May 10, 2012	21.64	21.70	21.32	21.42	324,214	+0.02(+0.08%)
May 09, 2012	21.39	21.60	21.23	21.40	598,862	-0.36(-1.65%)
May 08, 2012	21.76	21.86	21.52	21.76	277,190	-0.19(-0.85%)
May 07, 2012	21.86	22.15	21.86	21.95	345,944	-0.03(-0.16%)
May 04, 2012	22.24	22.33	21.96	21.98	462,516	-0.39(-1.75%)
May 03, 2012	22.67	22.79	22.31	22.38	474,907	-0.35(-1.54%)
May 02, 2012	22.40	23.05	22.21	22.73	525,789	+0.20(+0.87%)
May 01, 2012	22.48	22.92	22.31	22.53	1,100,629	+0.02(+0.08%)
Apr 30, 2012	23.48	23.64	22.51	22.51	600,991	-1.05(-4.45%)
Apr 27, 2012	23.01	24.34	22.76	23.56	1,098,119	-0.72(-2.95%)
Apr 26, 2012	24.27	24.28	24.03	24.28	298,997	-0.09(-0.35%)
Apr 25, 2012	23.77	24.41	23.72	24.36	562,534	+0.84(+3.55%)
Apr 24, 2012	23.08	23.53	23.00	23.53	326,319	+0.52(+2.26%)
Apr 23, 2012	23.06	23.09	22.79	23.01	403,252	-0.43(-1.86%)
Apr 20, 2012	23.12	23.59	23.05	23.44	340,733	+0.56(+2.46%)
Apr 19, 2012	23.28	23.32	22.73	22.88	433,358	-0.37(-1.58%)
Apr 18, 2012	23.05	23.33	22.94	23.25	253,245	+0.03(+0.11%)
Apr 17, 2012	23.19	23.43	23.08	23.22	396,932	+0.18(+0.78%)
Apr 16, 2012	22.94	23.32	22.74	23.04	285,638	+0.26(+1.12%)
Apr 13, 2012	23.02	23.02	22.79	22.79	235,123	-0.38(-1.66%)
Apr 12, 2012	22.69	23.27	22.55	23.17	233,050	+0.51(+2.26%)
Apr 11, 2012	22.61	22.70	22.44	22.66	497,700	+0.29(+1.30%)
Apr 10, 2012	22.59	22.64	22.33	22.37	569,492	-0.33(-1.47%)
Apr 09, 2012	22.67	22.85	22.39	22.70	619,263	-0.49(-2.13%)
Apr 05, 2012	22.91	23.27	22.91	23.20	514,599	+0.09(+0.37%)
Apr 04, 2012	22.92	23.11	22.87	23.11	478,338	-0.12(-0.51%)
Apr 03, 2012	23.14	23.31	22.91	23.23	575,288	+0.24(+1.04%)
Apr 02, 2012	22.36	22.99	22.27	22.99	503,841	+0.55(+2.47%)
Mar 30, 2012	22.47	22.67	22.38	22.44	601,532	+0.19(+0.84%)
Mar 29, 2012	22.21	22.42	21.93	22.25	238,250	-0.19(-0.84%)
Mar 28, 2012	22.78	22.79	22.15	22.44	267,141	-0.26(-1.13%)
Mar 27, 2012	22.93	23.08	22.69	22.69	186,888	-0.27(-1.19%)
Mar 26, 2012	22.74	23.20	22.63	22.96	342,585	+0.56(+2.51%)
Mar 23, 2012	22.18	22.43	21.91	22.40	233,805	+0.27(+1.23%)
Mar 22, 2012	22.32	22.32	21.93	22.13	315,798	-0.47(-2.08%)
Mar 21, 2012	22.84	22.87	22.53	22.60	272,409	-0.21(-0.93%)
Mar 20, 2012	23.06	23.08	22.72	22.81	303,200	-0.46(-1.98%)
Mar 19, 2012	23.13	23.41	23.08	23.27	237,693	+0.08(+0.33%)
Mar 16, 2012	23.62	23.81	23.04	23.20	401,702	-0.01(-0.04%)
Mar 15, 2012	22.84	23.21	22.68	23.20	288,712	+0.39(+1.72%)
Mar 14, 2012	23.11	23.14	22.67	22.81	359,853	-0.31(-1.33%)
Mar 13, 2012	23.00	23.13	22.69	23.12	282,004	+0.33(+1.46%)
Mar 12, 2012	22.75	23.17	22.72	22.79	341,656	+0.03(+0.11%)
Mar 09, 2012	22.69	23.20	22.66	22.76	321,724	+0.01(+0.04%)
Mar 08, 2012	22.57	22.77	22.25	22.75	282,971	+0.38(+1.68%)
Mar 07, 2012	22.17	22.44	22.09	22.38	212,345	+0.30(+1.35%)
Mar 06, 2012	22.39	22.42	21.98	22.08	316,399	-0.64(-2.82%)
Mar 05, 2012	22.66	22.74	22.38	22.72	248,192	+0.06(+0.26%)
Mar 02, 2012	23.45	23.45	22.56	22.66	375,629	-0.78(-3.31%)
Mar 01, 2012	23.68	23.94	23.39	23.43	312,727	-0.19(-0.79%)
Feb 29, 2012	23.66	24.10	23.60	23.62	435,884	-0.03(-0.14%)
Feb 28, 2012	23.80	23.88	23.49	23.66	292,022	-0.06(-0.25%)
Feb 27, 2012	23.34	23.87	23.20	23.72	438,408	+0.12(+0.51%)
Feb 24, 2012	23.60	23.92	23.41	23.60	241,977	-0.07(-0.29%)
Feb 23, 2012	23.43	23.70	23.33	23.66	374,259	+0.22(+0.94%)
Feb 22, 2012	23.60	24.01	23.38	23.44	546,929	-0.32(-1.36%)
Feb 21, 2012	23.86	24.09	23.47	23.77	872,003	+0.14(+0.61%)
Feb 17, 2012	23.37	23.91	22.98	23.62	1,024,825	+1.14(+5.06%)
Feb 16, 2012	22.17	22.62	22.15	22.48	494,567	+0.32(+1.46%)
Feb 15, 2012	22.61	22.64	22.10	22.16	245,189	-0.35(-1.55%)
Feb 14, 2012	22.43	22.58	22.28	22.51	212,268	-0.06(-0.26%)
Feb 13, 2012	22.41	22.57	22.24	22.57	247,003	+0.42(+1.92%)
Feb 10, 2012	22.23	22.29	22.02	22.14	234,356	-0.39(-1.73%)
Feb 09, 2012	22.66	22.78	22.37	22.53	188,006	-0.06(-0.26%)
Feb 08, 2012	22.90	22.94	22.44	22.59	199,849	-0.18(-0.78%)
Feb 07, 2012	22.66	23.05	22.66	22.77	418,831	+0.03(+0.11%)
Feb 06, 2012	22.70	22.94	22.60	22.75	278,391	-0.03(-0.11%)
Feb 03, 2012	22.77	22.94	22.71	22.77	431,125	+0.41(+1.82%)
Feb 02, 2012	22.21	22.46	22.15	22.36	372,186	+0.25(+1.15%)
Feb 01, 2012	21.73	22.15	21.56	22.11	453,266	+0.62(+2.89%)
Jan 31, 2012	21.85	21.88	21.36	21.49	200,252	-0.18(-0.82%)
Jan 30, 2012	21.75	21.75	21.36	21.67	347,036	-0.29(-1.32%)
Jan 27, 2012	21.29	22.11	20.92	21.96	762,891	+0.57(+2.66%)
Jan 26, 2012	21.45	21.45	21.19	21.39	559,843	+0.06(+0.28%)
Jan 25, 2012	20.73	21.41	20.57	21.33	550,504	+0.48(+2.28%)
Jan 24, 2012	20.61	20.91	20.56	20.85	408,064	+0.09(+0.45%)
Jan 23, 2012	20.66	20.85	20.57	20.76	318,788	+0.09(+0.45%)
Jan 20, 2012	20.69	20.81	20.52	20.66	349,334	-0.09(-0.45%)
Jan 19, 2012	20.85	20.95	20.69	20.76	326,249	-0.03(-0.12%)
Jan 18, 2012	20.74	21.00	20.64	20.78	324,685	-0.02(-0.08%)
Jan 17, 2012	21.04	21.16	20.77	20.80	218,865	+0.00(+0.00%)
Jan 13, 2012	20.69	20.94	20.66	20.80	333,110	-0.21(-1.01%)
Jan 12, 2012	20.96	21.08	20.75	21.01	428,310	+0.12(+0.57%)
Jan 11, 2012	21.14	21.17	20.80	20.89	482,754	-0.40(-1.88%)
Jan 10, 2012	21.08	21.30	20.80	21.29	619,907	+0.46(+2.20%)
Jan 09, 2012	20.94	20.96	20.66	20.83	264,751	-0.01(-0.04%)
Jan 06, 2012	20.92	20.98	20.58	20.84	293,799	-0.13(-0.61%)
Jan 05, 2012	20.61	21.05	20.38	20.97	227,713	+0.18(+0.86%)
Jan 04, 2012	20.71	20.83	20.44	20.79	264,203	+0.31(+1.49%)
Dec 30, 2011	20.77	20.90	20.49	20.49	217,204	-0.42(-1.99%)
Dec 29, 2011	20.58	21.01	20.47	20.90	176,580	+0.48(+2.37%)
Dec 28, 2011	20.66	20.94	20.38	20.42	229,958	-0.37(-1.80%)
Dec 27, 2011	20.56	20.95	20.07	20.79	287,190	+0.09(+0.41%)
Dec 23, 2011	20.69	20.78	20.49	20.71	184,886	+0.16(+0.79%)
Dec 21, 2011	20.62	20.83	20.10	20.55	259,835	-0.22(-1.06%)
Dec 20, 2011	20.22	20.84	20.20	20.77	302,448	+0.94(+4.76%)
Dec 19, 2011	20.37	20.56	19.72	19.82	244,814	-0.37(-1.81%)
Dec 16, 2011	19.89	20.46	19.89	20.19	685,449	+0.52(+2.63%)
Dec 15, 2011	19.54	19.89	19.37	19.67	520,794	+0.38(+1.98%)
Dec 14, 2011	19.59	19.64	19.14	19.29	472,858	-0.54(-2.74%)
Dec 13, 2011	20.48	20.70	19.63	19.83	282,172	-0.43(-2.14%)
Dec 12, 2011	20.24	20.31	19.88	20.27	298,581	-0.26(-1.28%)
Dec 09, 2011	20.06	20.68	19.99	20.53	479,188	+0.54(+2.72%)
Dec 08, 2011	20.52	20.56	19.93	19.98	343,886	-0.77(-3.72%)
Dec 07, 2011	20.87	20.95	20.50	20.76	454,044	-0.26(-1.25%)
Dec 06, 2011	20.85	21.24	20.56	21.02	518,978	+0.13(+0.61%)
Dec 05, 2011	20.94	21.08	20.75	20.89	700,492	+0.22(+1.07%)
Dec 02, 2011	20.93	21.00	20.61	20.67	291,383	+0.06(+0.29%)

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