Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	20.82	21.19	20.63	21.06	400,414	+0.22(+1.05%)
May 30, 2012	20.96	21.02	20.78	20.84	244,166	-0.30(-1.41%)
May 29, 2012	20.93	21.16	20.86	21.14	147,761	+0.27(+1.30%)
May 25, 2012	20.81	20.92	20.73	20.87	209,812	+0.01(+0.04%)
May 24, 2012	20.92	21.00	20.63	20.86	185,766	-0.11(-0.50%)
May 23, 2012	20.70	20.99	20.59	20.96	250,271	+0.09(+0.42%)
May 22, 2012	20.66	20.99	20.61	20.88	318,668	+0.29(+1.40%)
May 21, 2012	20.51	20.67	20.38	20.59	372,761	+0.09(+0.43%)
May 18, 2012	20.57	20.74	20.39	20.50	455,478	-0.11(-0.55%)
May 17, 2012	21.00	21.08	20.61	20.61	441,429	-0.45(-2.12%)
May 16, 2012	20.98	21.10	20.90	21.06	382,219	+0.11(+0.50%)
May 15, 2012	20.96	21.15	20.91	20.96	173,510	-0.05(-0.25%)
May 14, 2012	20.85	21.04	20.65	21.01	351,010	-0.03(-0.12%)
May 11, 2012	20.96	21.10	20.74	21.03	166,992	-0.05(-0.25%)
May 10, 2012	21.11	21.32	21.04	21.09	141,048	+0.11(+0.54%)
May 09, 2012	21.24	21.28	20.92	20.97	330,354	-0.46(-2.16%)
May 08, 2012	21.25	21.48	21.15	21.44	368,167	+0.11(+0.49%)
May 07, 2012	21.38	21.53	21.22	21.33	306,156	-0.07(-0.33%)
May 04, 2012	21.71	21.91	21.31	21.40	240,651	-0.48(-2.20%)
May 03, 2012	22.25	22.25	21.72	21.88	376,801	-0.43(-1.92%)
May 02, 2012	22.38	22.77	22.02	22.31	734,566	-0.59(-2.60%)
May 01, 2012	22.89	23.35	22.88	22.91	232,029	-0.04(-0.19%)
Apr 30, 2012	23.35	23.52	22.92	22.95	209,400	-0.47(-2.02%)
Apr 27, 2012	23.17	23.46	23.04	23.42	163,728	+0.20(+0.87%)
Apr 26, 2012	22.96	23.27	22.85	23.22	186,331	+0.19(+0.84%)
Apr 25, 2012	23.09	23.19	22.86	23.03	222,193	+0.14(+0.61%)
Apr 24, 2012	22.72	22.92	22.51	22.89	407,468	+0.12(+0.54%)
Apr 23, 2012	22.43	22.85	22.17	22.77	590,211	+0.10(+0.42%)
Apr 20, 2012	22.92	22.96	22.50	22.67	516,131	-0.11(-0.50%)
Apr 19, 2012	22.75	22.88	22.54	22.78	333,201	+0.02(+0.08%)
Apr 18, 2012	22.92	23.00	22.71	22.77	355,292	-0.11(-0.50%)
Apr 17, 2012	22.61	22.96	22.61	22.88	239,977	+0.32(+1.44%)
Apr 16, 2012	22.55	22.58	22.34	22.56	330,089	+0.10(+0.43%)
Apr 13, 2012	22.73	22.78	22.45	22.46	212,578	-0.31(-1.34%)
Apr 12, 2012	22.57	22.88	22.57	22.77	218,026	+0.25(+1.13%)
Apr 11, 2012	22.35	22.57	22.29	22.51	253,015	+0.36(+1.62%)
Apr 10, 2012	22.32	22.32	22.02	22.15	283,436	-0.16(-0.71%)
Apr 09, 2012	22.41	22.44	22.29	22.31	314,955	-0.40(-1.77%)
Apr 05, 2012	22.65	22.84	22.65	22.71	252,119	-0.06(-0.27%)
Apr 04, 2012	22.45	22.87	22.36	22.78	486,601	-0.01(-0.04%)
Apr 03, 2012	22.83	23.25	22.58	22.78	559,590	+0.30(+1.32%)
Apr 02, 2012	22.04	22.77	21.99	22.49	333,110	+0.43(+1.94%)
Mar 30, 2012	22.43	22.43	22.06	22.06	334,634	-0.31(-1.37%)
Mar 29, 2012	22.57	22.57	22.29	22.36	158,362	-0.33(-1.46%)
Mar 28, 2012	22.69	22.77	22.53	22.70	172,121	+0.06(+0.27%)
Mar 27, 2012	22.66	22.84	22.64	22.64	101,484	-0.05(-0.23%)
Mar 26, 2012	22.57	22.88	22.53	22.69	166,180	+0.28(+1.25%)
Mar 23, 2012	22.14	22.43	22.14	22.41	119,858	+0.27(+1.23%)
Mar 22, 2012	22.34	22.38	22.10	22.14	231,925	-0.36(-1.59%)
Mar 21, 2012	22.55	22.58	22.31	22.50	118,356	+0.01(+0.04%)
Mar 20, 2012	22.50	22.70	22.36	22.49	112,516	-0.15(-0.66%)
Mar 19, 2012	22.45	22.75	22.44	22.64	126,054	+0.18(+0.78%)
Mar 16, 2012	22.50	22.64	22.31	22.46	335,090	-0.04(-0.19%)
Mar 15, 2012	22.31	22.53	22.14	22.50	166,495	+0.25(+1.14%)
Mar 14, 2012	21.98	22.33	21.98	22.25	238,861	+0.16(+0.71%)
Mar 13, 2012	21.81	22.09	21.71	22.09	338,773	+0.42(+1.94%)
Mar 12, 2012	21.59	21.73	21.55	21.67	398,818	+0.12(+0.57%)
Mar 09, 2012	21.52	21.84	21.50	21.55	244,407	+0.03(+0.12%)
Mar 08, 2012	21.75	21.75	21.45	21.52	272,190	-0.14(-0.65%)
Mar 07, 2012	21.81	21.84	21.64	21.66	180,870	-0.13(-0.60%)
Mar 06, 2012	21.68	21.90	21.68	21.80	457,495	-0.11(-0.48%)
Mar 05, 2012	21.75	22.01	21.75	21.90	443,661	+0.07(+0.32%)
Mar 02, 2012	21.94	22.08	21.77	21.83	266,900	-0.12(-0.56%)
Mar 01, 2012	21.93	22.08	21.84	21.95	355,663	+0.06(+0.28%)
Feb 29, 2012	21.87	22.19	21.83	21.89	413,314	+0.02(+0.08%)
Feb 28, 2012	21.87	22.05	21.75	21.87	222,017	-0.05(-0.24%)
Feb 27, 2012	21.80	22.01	21.59	21.93	266,794	-0.04(-0.20%)
Feb 24, 2012	22.01	22.08	21.83	21.97	198,805	-0.08(-0.36%)
Feb 23, 2012	22.15	22.18	21.93	22.05	535,870	-0.26(-1.18%)
Feb 22, 2012	22.31	22.36	22.21	22.31	283,935	-0.08(-0.35%)
Feb 21, 2012	22.28	22.54	22.20	22.39	158,088	+0.12(+0.55%)
Feb 17, 2012	22.17	22.30	22.14	22.27	94,254	+0.13(+0.59%)
Feb 16, 2012	21.92	22.15	21.92	22.14	263,871	+0.18(+0.80%)
Feb 15, 2012	21.97	22.14	21.81	21.96	270,277	+0.04(+0.16%)
Feb 14, 2012	21.80	21.95	21.70	21.93	270,965	-0.03(-0.12%)
Feb 13, 2012	21.80	22.00	21.68	21.95	392,118	+0.36(+1.66%)
Feb 10, 2012	21.51	21.65	21.33	21.59	234,054	-0.01(-0.04%)
Feb 09, 2012	21.79	21.82	21.59	21.60	274,736	-0.16(-0.72%)
Feb 08, 2012	21.92	21.93	21.41	21.76	396,475	-0.22(-1.00%)
Feb 07, 2012	21.79	22.14	21.78	21.98	465,745	+0.02(+0.08%)
Feb 06, 2012	21.74	21.97	21.69	21.96	211,321	+0.18(+0.80%)
Feb 03, 2012	21.92	22.08	21.64	21.79	393,829	+0.08(+0.36%)
Feb 02, 2012	21.73	21.92	21.70	21.71	250,717	+0.01(+0.04%)
Feb 01, 2012	21.59	21.87	21.54	21.70	394,734	+0.26(+1.22%)
Jan 31, 2012	21.75	21.76	21.39	21.44	614,747	-0.18(-0.81%)
Jan 30, 2012	21.52	21.88	21.41	21.61	292,658	+0.03(+0.12%)
Jan 27, 2012	21.22	21.61	21.13	21.59	289,347	+0.34(+1.61%)
Jan 26, 2012	21.50	21.61	21.14	21.24	318,199	-0.22(-1.02%)
Jan 25, 2012	21.74	21.78	21.27	21.46	292,736	-0.37(-1.68%)
Jan 24, 2012	21.82	22.01	21.69	21.83	301,804	-0.08(-0.36%)
Jan 23, 2012	21.87	22.20	21.69	21.91	272,500	+0.01(+0.04%)
Jan 20, 2012	21.73	22.01	21.69	21.90	368,037	+0.11(+0.52%)
Jan 19, 2012	21.91	22.05	21.66	21.79	428,144	-0.09(-0.40%)
Jan 18, 2012	21.46	21.94	21.44	21.87	277,732	+0.34(+1.58%)
Jan 17, 2012	21.38	21.73	21.38	21.53	426,894	+0.25(+1.15%)
Jan 13, 2012	21.24	21.44	20.97	21.29	265,332	-0.25(-1.14%)
Jan 12, 2012	21.45	21.66	21.42	21.53	372,175	+0.12(+0.57%)
Jan 11, 2012	21.16	21.56	21.15	21.41	435,306	+0.19(+0.91%)
Jan 10, 2012	21.07	21.24	20.96	21.22	476,507	+0.31(+1.46%)
Jan 09, 2012	20.83	20.94	20.64	20.91	254,251	+0.13(+0.63%)
Jan 06, 2012	20.78	20.89	20.56	20.78	248,722	-0.03(-0.13%)
Jan 05, 2012	20.40	20.86	20.05	20.81	252,336	+0.24(+1.19%)
Jan 04, 2012	20.50	20.63	20.38	20.56	215,798	+0.23(+1.12%)
Dec 30, 2011	20.61	20.61	20.33	20.33	240,280	-0.17(-0.85%)
Dec 29, 2011	20.52	20.78	20.50	20.51	244,188	+0.01(+0.04%)
Dec 28, 2011	20.56	20.62	20.43	20.50	217,770	-0.16(-0.76%)
Dec 27, 2011	20.49	20.74	20.44	20.66	393,510	+0.09(+0.43%)
Dec 23, 2011	20.47	20.65	20.39	20.57	341,066	+0.59(+2.93%)
Dec 21, 2011	19.56	20.11	19.49	19.98	955,331	+0.43(+2.19%)
Dec 20, 2011	19.40	19.56	19.32	19.56	684,484	+0.53(+2.76%)
Dec 19, 2011	19.43	19.50	18.99	19.03	348,047	-0.15(-0.78%)
Dec 16, 2011	19.33	19.50	19.09	19.18	1,093,376	+0.18(+0.92%)
Dec 15, 2011	19.12	19.23	18.89	19.00	1,168,963	+0.06(+0.32%)
Dec 14, 2011	18.85	19.24	18.81	18.94	4,948,116	-0.56(-2.87%)
Dec 13, 2011	19.47	19.93	19.05	19.50	882,871	-0.81(-4.01%)
Dec 12, 2011	20.27	20.37	20.08	20.32	124,771	-0.11(-0.56%)
Dec 09, 2011	20.37	20.69	20.36	20.43	186,795	+0.17(+0.82%)
Dec 08, 2011	20.53	20.67	20.21	20.26	253,312	-0.45(-2.15%)
Dec 07, 2011	20.26	20.87	20.16	20.71	135,978	+0.32(+1.59%)
Dec 06, 2011	20.18	20.54	20.16	20.39	161,634	+0.17(+0.87%)
Dec 05, 2011	20.26	20.41	20.04	20.21	218,331	+0.23(+1.14%)
Dec 02, 2011	20.29	20.45	19.91	19.98	157,376	-0.11(-0.57%)
Dec 01, 2011	19.98	20.27	19.84	20.10	191,767	+0.01(+0.04%)
Nov 30, 2011	20.00	20.24	19.28	20.09	419,062	+0.68(+3.52%)
Nov 29, 2011	19.66	19.84	19.35	19.41	198,530	-0.27(-1.38%)
Nov 28, 2011	19.56	19.74	19.45	19.68	169,292	+0.55(+2.88%)
Nov 25, 2011	19.11	19.35	18.96	19.13	97,141	-0.04(-0.18%)
Nov 23, 2011	19.46	19.51	19.14	19.16	158,056	-0.53(-2.67%)
Nov 22, 2011	19.79	20.14	19.66	19.69	188,731	-0.20(-1.01%)
Nov 21, 2011	19.83	20.09	19.65	19.89	125,385	-0.23(-1.13%)
Nov 18, 2011	20.00	20.26	19.77	20.12	131,326	+0.13(+0.66%)
Nov 17, 2011	20.13	20.53	19.91	19.98	163,905	-0.15(-0.74%)
Nov 16, 2011	20.25	20.55	20.05	20.13	156,788	-0.31(-1.54%)
Nov 15, 2011	19.91	20.62	19.87	20.45	184,186	+0.36(+1.79%)
Nov 14, 2011	20.42	20.42	19.91	20.09	256,126	-0.40(-1.96%)
Nov 11, 2011	20.24	20.51	20.17	20.49	171,656	+0.38(+1.87%)
Nov 10, 2011	20.26	20.31	19.98	20.12	131,996	+0.15(+0.74%)
Nov 09, 2011	20.12	20.38	19.95	19.97	242,510	-0.59(-2.85%)
Nov 08, 2011	20.27	20.63	19.98	20.55	203,917	+0.23(+1.12%)
Nov 07, 2011	19.96	20.36	19.84	20.33	127,239	+0.26(+1.31%)
Nov 04, 2011	19.84	20.22	19.60	20.06	210,189	-0.05(-0.26%)
Nov 03, 2011	20.33	20.33	19.66	20.12	366,888	-0.07(-0.35%)
Nov 02, 2011	18.41	20.33	18.38	20.19	324,922	+1.16(+6.12%)
Nov 01, 2011	19.25	19.58	18.91	19.02	222,017	-0.78(-3.93%)
Oct 31, 2011	19.91	20.21	19.78	19.80	211,042	-0.36(-1.78%)
Oct 28, 2011	19.87	20.28	19.87	20.16	246,907	+0.14(+0.70%)
Oct 27, 2011	19.50	20.03	19.47	20.02	336,732	+0.66(+3.39%)
Oct 26, 2011	19.27	19.48	18.99	19.36	185,325	+0.42(+2.22%)
Oct 25, 2011	19.22	19.28	18.92	18.94	199,653	-0.45(-2.35%)
Oct 24, 2011	19.21	19.50	19.10	19.40	173,617	+0.21(+1.09%)
Oct 21, 2011	19.00	19.19	18.65	19.19	255,339	+0.45(+2.38%)
Oct 20, 2011	18.19	18.77	18.12	18.74	325,331	+0.56(+3.08%)
Oct 19, 2011	18.51	18.72	18.15	18.18	219,067	-0.32(-1.75%)
Oct 18, 2011	18.13	18.64	17.81	18.51	247,270	+0.46(+2.57%)
Oct 17, 2011	18.60	18.66	17.95	18.04	189,197	-0.76(-4.05%)
Oct 14, 2011	18.44	18.83	18.16	18.80	205,238	+0.56(+3.07%)
Oct 13, 2011	18.43	18.52	18.17	18.24	259,588	-0.66(-3.52%)
Oct 12, 2011	18.62	19.09	18.58	18.91	203,749	+0.39(+2.08%)
Oct 11, 2011	18.22	18.61	18.16	18.52	191,553	+0.16(+0.86%)
Oct 10, 2011	18.37	18.52	18.20	18.37	237,993	+0.39(+2.14%)
Oct 07, 2011	18.49	18.58	17.88	17.98	429,222	-0.54(-2.93%)
Oct 06, 2011	18.58	18.63	18.20	18.52	286,473	-0.10(-0.52%)
Oct 05, 2011	18.93	18.93	18.32	18.62	207,891	-0.34(-1.80%)
Oct 04, 2011	17.95	18.98	17.83	18.96	534,418	+0.93(+5.14%)
Oct 03, 2011	19.02	19.07	18.02	18.03	327,265	-0.83(-4.41%)
Sep 30, 2011	18.46	19.15	18.37	18.86	386,398	+0.13(+0.70%)
Sep 29, 2011	18.75	19.13	18.34	18.73	165,585	+0.38(+2.05%)
Sep 28, 2011	18.46	18.69	18.31	18.36	467,670	-0.14(-0.76%)
Sep 27, 2011	18.55	18.95	18.35	18.50	240,992	+0.24(+1.29%)
Sep 26, 2011	17.93	18.29	17.73	18.26	169,074	+0.50(+2.81%)
Sep 23, 2011	17.64	17.93	17.46	17.76	418,270	+0.07(+0.40%)
Sep 22, 2011	17.04	17.94	16.94	17.69	1,113,504	+0.06(+0.35%)
Sep 21, 2011	17.61	17.72	17.53	17.63	691,738	+0.02(+0.10%)
Sep 20, 2011	17.46	17.73	17.38	17.61	276,596	+0.17(+1.00%)
Sep 19, 2011	17.35	17.59	17.11	17.44	210,371	-0.17(-0.99%)
Sep 16, 2011	18.09	18.17	17.51	17.61	296,376	-0.37(-2.04%)
Sep 15, 2011	17.73	18.08	17.64	17.98	162,373	+0.44(+2.49%)
Sep 14, 2011	17.18	17.76	16.90	17.54	236,006	+0.50(+2.93%)
Sep 13, 2011	17.15	17.20	16.80	17.04	215,140	+0.01(+0.05%)
Sep 12, 2011	16.84	17.18	16.62	17.04	437,472	+0.03(+0.15%)
Sep 09, 2011	17.11	17.23	16.85	17.01	348,540	-0.32(-1.87%)
Sep 08, 2011	17.35	17.52	17.27	17.33	153,322	-0.20(-1.15%)
Sep 07, 2011	17.18	17.55	17.11	17.53	152,687	+0.66(+3.94%)
Sep 06, 2011	16.59	16.93	16.38	16.87	307,076	-0.19(-1.13%)
Sep 02, 2011	17.32	17.58	17.01	17.06	197,738	-0.52(-2.94%)
Sep 01, 2011	18.23	18.37	17.54	17.58	159,857	-0.65(-3.55%)
Aug 31, 2011	18.30	18.38	17.75	18.23	219,766	+0.01(+0.05%)
Aug 30, 2011	18.24	18.29	17.74	18.22	195,222	-0.17(-0.90%)
Aug 29, 2011	17.76	18.43	17.72	18.38	183,979	+0.88(+5.05%)
Aug 26, 2011	17.87	17.91	17.29	17.50	281,723	-0.45(-2.53%)
Aug 25, 2011	18.47	18.58	17.71	17.95	194,490	-0.35(-1.91%)
Aug 24, 2011	17.91	18.56	17.87	18.30	217,687	+0.39(+2.20%)
Aug 23, 2011	17.14	17.91	17.06	17.91	194,646	+0.76(+4.44%)
Aug 22, 2011	17.46	17.52	17.05	17.15	168,726	+0.09(+0.51%)
Aug 19, 2011	16.89	17.43	16.87	17.06	215,468	-0.01(-0.05%)
Aug 18, 2011	16.97	17.41	16.90	17.07	296,851	-0.48(-2.74%)
Aug 17, 2011	17.66	17.70	17.38	17.55	139,349	-0.11(-0.64%)
Aug 16, 2011	17.72	17.81	17.31	17.67	389,540	-0.50(-2.75%)
Aug 15, 2011	17.97	18.23	17.73	18.16	145,741	+0.42(+2.37%)
Aug 12, 2011	17.81	18.09	17.40	17.74	130,020	+0.11(+0.60%)
Aug 11, 2011	17.11	17.87	16.83	17.64	346,258	+0.67(+3.92%)
Aug 10, 2011	17.54	17.67	16.93	16.97	307,192	-1.18(-6.51%)
Aug 09, 2011	18.38	18.16	16.90	18.16	483,842	+1.01(+5.87%)
Aug 08, 2011	18.38	18.79	16.97	17.15	460,377	-1.71(-9.09%)
Aug 05, 2011	18.70	19.56	18.28	18.86	372,694	+0.39(+2.13%)
Aug 04, 2011	19.19	19.56	18.46	18.47	289,287	-0.93(-4.78%)
Aug 03, 2011	18.33	19.44	18.01	19.40	404,843	+0.69(+3.69%)
Aug 02, 2011	18.85	19.06	18.67	18.71	300,908	-0.30(-1.57%)
Aug 01, 2011	19.08	19.10	18.58	19.00	205,704	+0.09(+0.46%)
Jul 29, 2011	18.59	19.00	18.45	18.92	227,122	+0.07(+0.37%)
Jul 28, 2011	18.72	18.94	18.61	18.85	236,857	+0.11(+0.56%)
Jul 27, 2011	18.67	18.84	18.52	18.74	286,826	+0.00(+0.00%)
Jul 26, 2011	18.72	19.03	18.55	18.74	167,696	-0.02(-0.09%)
Jul 25, 2011	18.58	18.92	18.58	18.76	130,874	-0.04(-0.23%)
Jul 22, 2011	18.70	18.86	18.69	18.80	169,725	-0.21(-1.10%)
Jul 21, 2011	18.60	19.02	18.60	19.01	167,428	+0.52(+2.79%)
Jul 20, 2011	18.72	18.72	18.41	18.50	154,369	-0.18(-0.98%)
Jul 19, 2011	18.33	18.75	18.13	18.68	160,301	+0.53(+2.94%)
Jul 18, 2011	18.44	18.65	18.03	18.15	176,280	-0.33(-1.80%)
Jul 15, 2011	18.80	18.83	18.26	18.48	262,395	-0.23(-1.22%)
Jul 14, 2011	19.06	19.06	18.56	18.71	201,050	-0.35(-1.84%)
Jul 13, 2011	18.86	19.36	18.82	19.06	256,008	+0.32(+1.73%)
Jul 12, 2011	18.51	19.00	18.45	18.73	165,058	+0.12(+0.66%)
Jul 11, 2011	19.03	19.07	18.51	18.61	251,085	-0.68(-3.54%)
Jul 08, 2011	19.35	19.38	18.98	19.29	195,742	-0.26(-1.34%)
Jul 07, 2011	19.49	19.64	19.36	19.56	171,982	+0.19(+0.99%)
Jul 06, 2011	19.08	19.39	19.02	19.36	290,224	+0.21(+1.10%)
Jul 05, 2011	19.19	19.26	18.90	19.15	164,133	-0.09(-0.45%)
Jul 01, 2011	19.25	19.34	19.16	19.24	431,532	+0.02(+0.09%)
Jun 30, 2011	18.98	19.45	18.88	19.22	288,250	+0.32(+1.71%)
Jun 29, 2011	19.05	19.16	18.70	18.90	304,369	-0.13(-0.69%)
Jun 28, 2011	18.40	19.06	18.40	19.03	273,793	+0.63(+3.42%)
Jun 27, 2011	18.15	18.48	18.05	18.40	296,576	+0.21(+1.15%)
Jun 24, 2011	18.16	18.26	17.94	18.19	1,347,582	+0.04(+0.24%)
Jun 23, 2011	17.88	18.22	17.67	18.15	313,974	+0.06(+0.34%)
Jun 22, 2011	18.06	18.41	18.05	18.09	224,408	-0.06(-0.34%)
Jun 21, 2011	17.91	18.26	17.91	18.15	228,494	+0.32(+1.82%)
Jun 20, 2011	17.59	17.88	17.59	17.82	410,824	-0.03(-0.15%)
Jun 17, 2011	18.19	18.29	17.76	17.85	606,659	-0.15(-0.83%)
Jun 16, 2011	17.67	18.05	17.67	18.00	190,257	+0.32(+1.83%)
Jun 15, 2011	18.14	18.14	17.63	17.67	551,276	-0.64(-3.49%)
Jun 14, 2011	18.37	18.45	18.15	18.31	345,103	+0.09(+0.48%)
Jun 13, 2011	18.10	18.35	17.88	18.23	493,833	+0.08(+0.43%)
Jun 10, 2011	18.10	18.50	17.54	18.15	626,123	-0.06(-0.34%)
Jun 09, 2011	17.71	18.26	17.69	18.21	415,210	+0.56(+3.17%)
Jun 08, 2011	17.51	17.75	17.47	17.65	283,418	+0.11(+0.60%)
Jun 07, 2011	17.59	17.74	17.50	17.54	231,233	+0.05(+0.30%)
Jun 06, 2011	17.83	17.87	17.45	17.49	375,709	-0.37(-2.06%)

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