Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	24.25	24.55	24.15	24.37	362,082	+0.17(+0.69%)
May 30, 2012	24.28	24.45	24.13	24.20	196,602	-0.22(-0.92%)
May 29, 2012	24.40	24.60	24.24	24.42	366,138	+0.02(+0.07%)
May 25, 2012	24.56	24.64	24.36	24.41	187,375	-0.16(-0.66%)
May 24, 2012	24.41	24.60	24.20	24.57	165,066	+0.20(+0.83%)
May 23, 2012	24.15	24.40	24.06	24.37	329,810	+0.02(+0.09%)
May 22, 2012	24.42	24.45	24.12	24.34	310,322	+0.01(+0.02%)
May 21, 2012	24.41	24.49	24.21	24.34	302,532	+0.03(+0.11%)
May 18, 2012	24.75	24.75	24.31	24.31	247,535	-0.35(-1.41%)
May 17, 2012	24.89	24.97	24.63	24.66	219,888	-0.27(-1.08%)
May 16, 2012	25.34	25.36	24.88	24.93	239,834	-0.32(-1.28%)
May 15, 2012	25.12	25.27	25.05	25.25	231,626	+0.22(+0.89%)
May 14, 2012	24.92	25.17	24.79	25.03	301,485	-0.03(-0.13%)
May 11, 2012	24.95	25.24	24.92	25.06	136,217	-0.07(-0.27%)
May 10, 2012	25.15	25.21	24.96	25.13	173,781	+0.12(+0.47%)
May 09, 2012	25.10	25.27	24.96	25.01	296,935	-0.31(-1.24%)
May 08, 2012	25.18	25.38	25.13	25.32	249,732	+0.07(+0.29%)
May 07, 2012	25.10	25.26	24.93	25.25	364,551	+0.07(+0.29%)
May 04, 2012	25.39	25.50	25.15	25.18	322,955	-0.30(-1.16%)
May 03, 2012	25.40	25.66	25.34	25.47	298,668	+0.16(+0.62%)
May 02, 2012	25.10	25.40	25.03	25.32	269,844	+0.15(+0.58%)
May 01, 2012	25.37	25.73	25.17	25.17	456,096	-0.08(-0.33%)
Apr 30, 2012	25.52	25.60	24.93	25.26	323,068	-0.17(-0.68%)
Apr 27, 2012	25.46	25.52	25.37	25.43	342,922	+0.01(+0.02%)
Apr 26, 2012	25.21	25.52	25.17	25.42	318,997	+0.22(+0.89%)
Apr 25, 2012	25.11	25.23	24.96	25.20	223,295	+0.28(+1.12%)
Apr 24, 2012	24.74	25.00	24.66	24.92	336,648	+0.18(+0.75%)
Apr 23, 2012	24.69	24.79	24.48	24.74	267,635	-0.14(-0.56%)
Apr 20, 2012	24.88	25.06	24.83	24.88	226,334	+0.06(+0.23%)
Apr 19, 2012	24.67	24.89	24.61	24.82	288,731	+0.22(+0.89%)
Apr 18, 2012	24.62	24.67	24.35	24.60	167,605	-0.08(-0.32%)
Apr 17, 2012	24.56	24.74	24.49	24.68	233,995	+0.20(+0.80%)
Apr 16, 2012	24.33	24.48	24.22	24.48	245,007	+0.29(+1.20%)
Apr 13, 2012	24.47	24.53	24.18	24.19	202,133	-0.30(-1.23%)
Apr 12, 2012	24.35	24.56	24.16	24.50	281,339	+0.19(+0.78%)
Apr 11, 2012	24.32	24.33	24.12	24.31	162,176	+0.19(+0.79%)
Apr 10, 2012	24.37	24.46	24.08	24.12	192,847	-0.26(-1.05%)
Apr 09, 2012	24.36	24.40	24.22	24.37	291,699	-0.25(-1.02%)
Apr 05, 2012	24.63	24.72	24.54	24.62	181,277	-0.03(-0.14%)
Apr 04, 2012	24.48	24.71	24.39	24.66	284,481	+0.02(+0.07%)
Apr 03, 2012	24.49	24.68	24.39	24.64	306,874	+0.18(+0.75%)
Apr 02, 2012	24.35	24.60	24.29	24.46	439,817	+0.01(+0.05%)
Mar 30, 2012	24.54	24.57	24.36	24.45	170,351	+0.06(+0.25%)
Mar 29, 2012	24.50	24.61	24.27	24.38	255,968	-0.26(-1.04%)
Mar 28, 2012	24.40	24.64	24.38	24.64	151,080	+0.22(+0.92%)
Mar 27, 2012	24.57	24.57	24.39	24.42	180,184	-0.11(-0.43%)
Mar 26, 2012	24.41	24.70	24.41	24.52	256,435	+0.25(+1.01%)
Mar 23, 2012	24.15	24.33	24.09	24.28	173,327	+0.10(+0.42%)
Mar 22, 2012	24.28	24.46	24.14	24.18	210,205	-0.27(-1.10%)
Mar 21, 2012	24.60	24.64	24.45	24.45	189,447	-0.15(-0.61%)
Mar 20, 2012	24.53	24.75	24.39	24.60	221,910	-0.01(-0.05%)
Mar 19, 2012	24.58	24.73	24.56	24.61	253,950	+0.04(+0.18%)
Mar 16, 2012	25.06	25.11	24.56	24.56	467,501	-0.50(-1.98%)
Mar 15, 2012	24.77	25.13	24.59	25.06	422,725	+0.36(+1.45%)
Mar 14, 2012	24.66	24.82	24.58	24.70	374,711	+0.12(+0.48%)
Mar 13, 2012	24.79	24.83	24.45	24.58	738,928	+0.01(+0.02%)
Mar 12, 2012	24.42	24.68	24.42	24.58	499,648	+0.17(+0.70%)
Mar 09, 2012	24.30	24.47	24.20	24.41	279,108	+0.17(+0.70%)
Mar 08, 2012	24.28	24.34	23.98	24.24	283,452	+0.04(+0.18%)
Mar 07, 2012	23.97	24.19	23.82	24.19	968,478	+0.30(+1.27%)
Mar 06, 2012	24.08	24.22	23.87	23.89	318,959	-0.34(-1.39%)
Mar 05, 2012	23.81	24.28	23.72	24.23	317,701	+0.42(+1.78%)
Mar 02, 2012	23.94	23.99	23.57	23.80	366,585	-0.23(-0.94%)
Mar 01, 2012	23.76	24.11	23.70	24.03	336,307	+0.39(+1.66%)
Feb 29, 2012	23.64	23.80	23.57	23.64	252,360	-0.03(-0.12%)
Feb 28, 2012	23.87	23.87	23.51	23.66	211,364	-0.25(-1.04%)
Feb 27, 2012	23.78	24.21	23.57	23.91	326,534	+0.04(+0.18%)
Feb 24, 2012	24.14	24.20	23.86	23.87	187,465	-0.26(-1.10%)
Feb 23, 2012	23.88	24.14	23.81	24.13	172,578	+0.24(+0.99%)
Feb 22, 2012	24.19	24.30	23.85	23.90	226,908	-0.30(-1.25%)
Feb 21, 2012	24.20	24.33	24.07	24.20	208,378	-0.04(-0.18%)
Feb 17, 2012	24.17	24.26	24.12	24.24	146,150	+0.15(+0.64%)
Feb 16, 2012	23.96	24.14	23.90	24.09	144,165	+0.13(+0.55%)
Feb 15, 2012	24.12	24.12	23.86	23.96	188,481	-0.03(-0.14%)
Feb 14, 2012	24.15	24.30	23.85	23.99	210,615	-0.26(-1.07%)
Feb 13, 2012	24.14	24.30	24.12	24.25	226,937	+0.30(+1.24%)
Feb 10, 2012	23.92	24.07	23.83	23.95	202,578	-0.15(-0.62%)
Feb 09, 2012	23.99	24.15	23.81	24.10	255,181	+0.09(+0.39%)
Feb 08, 2012	24.20	24.35	23.96	24.01	252,434	-0.22(-0.91%)
Feb 07, 2012	23.81	24.31	23.81	24.23	255,388	+0.33(+1.38%)
Feb 06, 2012	24.73	24.73	23.51	23.90	393,012	-0.91(-3.69%)
Feb 03, 2012	24.64	24.82	24.46	24.81	300,199	+0.40(+1.63%)
Feb 02, 2012	24.65	24.70	24.35	24.41	187,358	-0.18(-0.74%)
Feb 01, 2012	24.17	24.64	24.17	24.60	381,670	+0.51(+2.11%)
Jan 31, 2012	24.40	24.42	24.08	24.09	307,341	-0.18(-0.75%)
Jan 30, 2012	24.22	24.37	24.06	24.27	388,046	-0.06(-0.25%)
Jan 27, 2012	24.58	24.59	24.26	24.33	244,735	-0.40(-1.61%)
Jan 26, 2012	24.63	24.92	24.54	24.73	314,119	+0.17(+0.70%)
Jan 25, 2012	24.36	24.59	24.31	24.56	173,238	+0.14(+0.59%)
Jan 24, 2012	24.39	24.48	24.24	24.41	150,988	-0.18(-0.74%)
Jan 23, 2012	24.70	24.86	24.47	24.60	181,119	-0.03(-0.13%)
Jan 20, 2012	24.38	24.68	24.38	24.63	235,688	+0.17(+0.68%)
Jan 19, 2012	24.43	24.55	24.28	24.46	307,475	+0.08(+0.34%)
Jan 18, 2012	24.14	24.38	24.05	24.38	225,143	+0.22(+0.91%)
Jan 17, 2012	24.29	24.49	23.99	24.16	418,622	-0.04(-0.18%)
Jan 13, 2012	23.81	24.26	23.80	24.20	475,629	+0.19(+0.78%)
Jan 12, 2012	24.24	24.41	23.92	24.02	532,923	-0.29(-1.20%)
Jan 11, 2012	24.53	24.55	24.28	24.31	469,895	-0.40(-1.61%)
Jan 10, 2012	24.62	24.84	24.34	24.71	396,832	+0.31(+1.29%)
Jan 09, 2012	24.54	24.59	24.15	24.39	333,903	-0.08(-0.34%)
Jan 06, 2012	24.61	24.76	24.31	24.47	307,731	-0.16(-0.65%)
Jan 05, 2012	24.06	24.64	23.88	24.63	616,937	-0.08(-0.31%)
Jan 04, 2012	25.08	25.13	24.67	24.71	277,299	-0.44(-1.73%)
Dec 30, 2011	25.39	25.39	25.15	25.15	267,766	-0.24(-0.96%)
Dec 29, 2011	25.35	25.46	25.22	25.39	205,109	+0.21(+0.83%)
Dec 28, 2011	25.46	25.46	25.14	25.18	270,913	-0.10(-0.39%)
Dec 27, 2011	25.05	25.43	24.99	25.28	161,722	+0.13(+0.53%)
Dec 23, 2011	25.08	25.21	24.84	25.15	169,957	+0.18(+0.71%)
Dec 21, 2011	24.79	25.03	24.71	24.97	334,141	+0.18(+0.73%)
Dec 20, 2011	24.62	24.96	24.61	24.79	345,893	+0.56(+2.32%)
Dec 19, 2011	24.59	24.84	24.19	24.23	343,408	-0.28(-1.13%)
Dec 16, 2011	24.98	25.16	24.47	24.50	973,810	-0.44(-1.77%)
Dec 15, 2011	25.13	25.13	24.88	24.94	348,970	+0.01(+0.02%)
Dec 14, 2011	24.68	25.16	24.62	24.94	333,054	+0.13(+0.53%)
Dec 13, 2011	25.16	25.33	24.67	24.81	303,245	-0.15(-0.62%)
Dec 12, 2011	25.13	25.17	24.81	24.96	414,175	-0.30(-1.18%)
Dec 09, 2011	24.64	25.35	24.58	25.26	573,461	+0.79(+3.22%)
Dec 08, 2011	24.28	24.69	24.09	24.47	705,070	+0.07(+0.29%)
Dec 07, 2011	24.37	24.61	24.11	24.40	1,389,852	-0.01(-0.04%)
Dec 06, 2011	24.42	24.51	24.29	24.41	370,876	+0.03(+0.13%)
Dec 05, 2011	24.30	24.53	24.18	24.38	476,229	+0.41(+1.73%)
Dec 02, 2011	24.13	24.46	23.89	23.96	509,152	+0.05(+0.23%)
Dec 01, 2011	24.38	24.38	23.88	23.91	583,259	-0.55(-2.27%)
Nov 30, 2011	23.64	24.48	23.64	24.46	585,655	+1.31(+5.64%)
Nov 29, 2011	23.16	23.31	23.05	23.16	270,717	+0.09(+0.38%)
Nov 28, 2011	23.05	23.09	22.83	23.07	310,413	+0.63(+2.79%)
Nov 25, 2011	22.40	22.71	22.25	22.45	139,213	+0.05(+0.24%)
Nov 23, 2011	22.78	22.86	22.39	22.39	380,220	-0.60(-2.63%)
Nov 22, 2011	22.52	23.08	22.52	23.00	597,282	+0.51(+2.25%)
Nov 21, 2011	22.95	23.05	22.42	22.49	504,350	-0.72(-3.12%)
Nov 18, 2011	23.11	23.29	23.05	23.21	179,069	+0.24(+1.04%)
Nov 17, 2011	23.11	23.35	22.93	22.97	262,298	-0.09(-0.40%)
Nov 16, 2011	23.10	23.51	23.06	23.07	275,478	-0.26(-1.10%)
Nov 15, 2011	23.12	23.49	23.12	23.32	253,506	+0.10(+0.44%)
Nov 14, 2011	23.36	23.46	23.19	23.22	231,167	-0.17(-0.72%)
Nov 11, 2011	23.56	23.67	23.32	23.39	253,416	+0.01(+0.02%)
Nov 10, 2011	23.36	23.47	23.05	23.38	233,914	+0.38(+1.63%)
Nov 09, 2011	23.28	23.46	23.00	23.01	344,546	-0.77(-3.25%)
Nov 08, 2011	23.58	23.87	23.52	23.78	359,882	+0.41(+1.77%)
Nov 07, 2011	23.52	23.52	22.95	23.37	481,667	-0.16(-0.67%)
Nov 04, 2011	23.46	23.70	23.21	23.52	290,781	-0.15(-0.62%)
Nov 03, 2011	23.50	23.84	23.26	23.67	383,706	+0.37(+1.59%)
Nov 02, 2011	22.89	23.36	22.85	23.30	354,951	+0.59(+2.61%)
Nov 01, 2011	22.71	23.25	22.67	22.71	579,304	-0.84(-3.58%)
Oct 31, 2011	24.05	24.99	22.73	23.55	954,868	-0.48(-1.99%)
Oct 28, 2011	24.27	24.39	24.00	24.03	386,696	-0.42(-1.71%)
Oct 27, 2011	24.00	24.57	23.83	24.45	719,056	+1.03(+4.41%)
Oct 26, 2011	23.31	23.49	23.04	23.41	569,987	+0.48(+2.11%)
Oct 25, 2011	23.22	23.35	22.90	22.93	452,241	-0.34(-1.45%)
Oct 24, 2011	22.73	23.41	22.65	23.27	546,218	+0.66(+2.94%)
Oct 21, 2011	22.32	22.60	22.20	22.60	543,542	+0.46(+2.09%)
Oct 20, 2011	21.95	22.18	21.82	22.14	306,795	+0.18(+0.82%)
Oct 19, 2011	22.04	22.30	21.92	21.96	349,545	-0.01(-0.05%)
Oct 18, 2011	21.49	22.25	21.27	21.97	550,253	+0.64(+3.01%)
Oct 17, 2011	21.61	21.61	21.30	21.33	351,788	-0.30(-1.38%)
Oct 14, 2011	21.73	21.75	21.37	21.63	183,947	+0.12(+0.56%)
Oct 13, 2011	21.64	21.64	21.40	21.51	288,170	-0.19(-0.85%)
Oct 12, 2011	21.59	21.84	21.49	21.70	354,927	+0.26(+1.22%)
Oct 11, 2011	21.60	21.63	21.32	21.44	401,395	-0.30(-1.38%)
Oct 10, 2011	21.57	21.77	21.40	21.73	343,421	+0.53(+2.51%)
Oct 07, 2011	21.75	21.79	21.18	21.20	347,330	-0.48(-2.21%)
Oct 06, 2011	21.65	21.71	21.46	21.68	312,827	+0.16(+0.76%)
Oct 05, 2011	21.21	21.58	20.98	21.52	377,008	+0.38(+1.78%)
Oct 04, 2011	20.13	21.15	20.13	21.14	664,030	+0.84(+4.15%)
Oct 03, 2011	21.18	21.39	20.27	20.30	706,429	-0.56(-2.69%)
Sep 30, 2011	20.77	21.32	20.77	20.86	555,234	-0.21(-1.01%)
Sep 29, 2011	20.88	21.07	20.68	21.07	355,089	+0.62(+3.03%)
Sep 28, 2011	20.92	21.10	20.45	20.45	392,450	-0.41(-1.98%)
Sep 27, 2011	20.52	21.11	20.45	20.86	525,350	+0.57(+2.79%)
Sep 26, 2011	19.98	20.33	19.84	20.30	239,494	+0.49(+2.47%)
Sep 23, 2011	19.81	19.92	19.70	19.81	476,216	-0.13(-0.65%)
Sep 22, 2011	19.70	20.06	19.65	19.94	512,436	-0.03(-0.16%)
Sep 21, 2011	20.82	20.85	19.97	19.97	465,449	-0.91(-4.35%)
Sep 20, 2011	20.84	21.26	20.84	20.88	331,480	+0.13(+0.63%)
Sep 19, 2011	20.62	20.92	20.59	20.75	308,359	-0.23(-1.09%)
Sep 16, 2011	21.06	21.28	20.94	20.98	542,801	-0.08(-0.36%)
Sep 15, 2011	21.10	21.14	20.81	21.05	388,624	+0.12(+0.57%)
Sep 14, 2011	20.90	21.13	20.59	20.93	331,366	+0.09(+0.42%)
Sep 13, 2011	20.64	20.89	20.49	20.85	474,746	+0.32(+1.54%)
Sep 12, 2011	20.01	20.56	20.01	20.53	1,236,373	+0.27(+1.35%)
Sep 09, 2011	20.70	20.76	20.21	20.26	1,256,320	-0.55(-2.63%)
Sep 08, 2011	20.78	21.15	20.75	20.80	1,455,034	-0.18(-0.84%)
Sep 07, 2011	20.39	21.01	20.33	20.98	493,767	+0.80(+3.95%)
Sep 06, 2011	19.85	20.32	19.64	20.18	378,023	-0.21(-1.02%)
Sep 02, 2011	20.57	20.84	20.36	20.39	338,340	-0.58(-2.76%)
Sep 01, 2011	21.14	21.35	20.97	20.97	503,343	-0.19(-0.89%)
Aug 31, 2011	21.12	21.40	20.98	21.16	601,564	+0.12(+0.59%)
Aug 30, 2011	20.93	21.18	20.73	21.04	241,523	-0.05(-0.25%)
Aug 29, 2011	20.31	21.09	20.31	21.09	325,406	+1.03(+5.13%)
Aug 26, 2011	19.76	20.18	19.49	20.06	260,357	+0.17(+0.83%)
Aug 25, 2011	20.47	20.60	19.71	19.89	190,245	-0.44(-2.16%)
Aug 24, 2011	20.03	20.45	20.00	20.33	290,717	+0.21(+1.06%)
Aug 23, 2011	19.49	20.16	19.39	20.12	486,268	+0.66(+3.41%)
Aug 22, 2011	19.82	19.94	19.40	19.46	338,056	+0.08(+0.41%)
Aug 19, 2011	19.23	19.73	19.23	19.38	299,784	-0.11(-0.55%)
Aug 18, 2011	19.72	19.92	19.34	19.48	484,137	-0.72(-3.58%)
Aug 17, 2011	20.19	20.39	20.10	20.21	264,243	+0.10(+0.51%)
Aug 16, 2011	20.06	20.38	19.87	20.10	701,953	-0.17(-0.82%)
Aug 15, 2011	19.99	20.38	19.92	20.27	522,586	+0.37(+1.86%)
Aug 12, 2011	20.32	20.32	19.77	19.90	409,796	-0.31(-1.51%)
Aug 11, 2011	18.69	20.36	18.69	20.21	841,941	+1.78(+9.65%)
Aug 10, 2011	19.12	19.25	18.41	18.43	489,868	-1.04(-5.34%)
Aug 09, 2011	19.21	19.49	18.11	19.47	732,984	+1.33(+7.35%)
Aug 08, 2011	19.21	19.50	18.13	18.13	649,009	-1.44(-7.33%)
Aug 05, 2011	19.81	19.87	19.17	19.57	660,044	-0.10(-0.52%)
Aug 04, 2011	19.99	20.20	19.66	19.67	705,221	-0.50(-2.50%)
Aug 03, 2011	20.20	20.23	19.95	20.17	515,044	-0.06(-0.29%)
Aug 02, 2011	20.71	21.06	20.23	20.23	494,449	-0.48(-2.33%)
Aug 01, 2011	20.09	21.22	20.09	20.71	552,919	+0.82(+4.15%)
Jul 29, 2011	19.82	19.97	19.68	19.89	300,810	-0.05(-0.27%)
Jul 28, 2011	20.03	20.12	19.89	19.94	241,816	-0.10(-0.51%)
Jul 27, 2011	20.32	20.33	20.04	20.04	248,593	-0.31(-1.50%)
Jul 26, 2011	20.42	20.48	20.31	20.35	278,132	-0.12(-0.58%)
Jul 25, 2011	20.55	20.67	20.42	20.47	167,624	-0.26(-1.24%)
Jul 22, 2011	20.69	20.73	20.69	20.72	125,428	-0.13(-0.64%)
Jul 21, 2011	20.66	20.89	20.61	20.86	218,980	+0.28(+1.35%)
Jul 20, 2011	20.49	20.61	20.47	20.58	180,709	+0.06(+0.29%)
Jul 19, 2011	20.45	20.56	20.42	20.52	209,349	+0.06(+0.31%)
Jul 18, 2011	20.67	20.67	20.38	20.46	222,159	-0.24(-1.14%)
Jul 15, 2011	20.76	20.78	20.62	20.69	291,938	-0.01(-0.05%)
Jul 14, 2011	20.95	20.99	20.67	20.70	232,276	-0.25(-1.20%)
Jul 13, 2011	21.16	21.19	20.89	20.95	414,952	-0.10(-0.48%)
Jul 12, 2011	20.93	21.15	20.93	21.06	497,459	+0.04(+0.18%)
Jul 11, 2011	21.01	21.08	20.97	21.02	150,411	-0.19(-0.91%)
Jul 08, 2011	21.15	21.26	21.15	21.21	292,937	-0.11(-0.53%)
Jul 07, 2011	21.53	21.65	21.27	21.32	400,900	-0.06(-0.28%)
Jul 06, 2011	21.20	21.45	21.20	21.38	184,797	+0.13(+0.60%)
Jul 05, 2011	21.38	21.45	21.20	21.25	210,926	-0.18(-0.85%)
Jul 01, 2011	21.11	21.45	21.00	21.44	338,747	+0.29(+1.37%)
Jun 30, 2011	21.29	21.34	21.12	21.15	292,104	-0.14(-0.65%)
Jun 29, 2011	21.15	21.40	21.12	21.29	321,537	+0.18(+0.86%)
Jun 28, 2011	21.05	21.12	20.99	21.10	140,180	+0.08(+0.38%)
Jun 27, 2011	20.77	21.08	20.77	21.02	215,660	+0.22(+1.06%)
Jun 24, 2011	20.79	20.90	20.72	20.80	257,801	-0.01(-0.05%)
Jun 23, 2011	20.71	20.89	20.59	20.82	209,955	-0.07(-0.36%)
Jun 22, 2011	20.90	21.02	20.87	20.89	178,358	-0.08(-0.38%)
Jun 21, 2011	20.90	21.04	20.90	20.97	322,432	+0.13(+0.62%)
Jun 20, 2011	20.92	20.94	20.82	20.84	618,137	-0.02(-0.10%)
Jun 17, 2011	20.88	21.02	20.83	20.86	284,668	+0.09(+0.41%)
Jun 16, 2011	20.68	20.94	20.62	20.78	295,691	+0.06(+0.31%)
Jun 15, 2011	20.80	20.91	20.61	20.71	260,226	-0.22(-1.07%)
Jun 14, 2011	21.02	21.12	20.89	20.94	245,814	+0.12(+0.59%)
Jun 13, 2011	20.68	20.87	20.62	20.82	300,961	+0.11(+0.54%)
Jun 10, 2011	20.84	20.94	20.65	20.70	226,587	-0.24(-1.13%)
Jun 09, 2011	20.89	21.01	20.83	20.94	209,559	+0.05(+0.25%)
Jun 08, 2011	20.95	21.07	20.88	20.89	266,831	-0.05(-0.23%)
Jun 07, 2011	21.16	21.17	20.93	20.94	664,602	-0.11(-0.53%)
Jun 06, 2011	21.11	21.24	20.99	21.05	332,350	-0.15(-0.70%)

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