Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	17.68	17.88	17.56	17.86	7,895,980	+0.16(+0.90%)
Apr 29, 2013	17.64	17.71	17.59	17.70	3,905,835	+0.16(+0.91%)
Apr 26, 2013	17.64	17.66	17.51	17.54	2,734,016	-0.12(-0.68%)
Apr 25, 2013	17.68	17.76	17.61	17.66	6,936,577	-0.01(-0.06%)
Apr 24, 2013	17.42	17.67	17.42	17.67	3,331,534	+0.31(+1.79%)
Apr 23, 2013	17.42	17.45	17.30	17.36	6,003,486	-0.03(-0.17%)
Apr 22, 2013	17.49	17.49	17.30	17.39	4,575,244	+0.01(+0.06%)
Apr 19, 2013	17.22	17.38	17.22	17.38	5,213,313	+0.11(+0.64%)
Apr 18, 2013	17.32	17.34	17.16	17.27	5,666,984	+0.06(+0.35%)
Apr 17, 2013	17.39	17.43	17.15	17.21	6,198,648	-0.22(-1.26%)
Apr 16, 2013	17.33	17.45	17.32	17.43	7,327,767	+0.16(+0.93%)
Apr 15, 2013	17.54	17.56	17.25	17.27	4,136,361	-0.46(-2.59%)
Apr 12, 2013	17.79	17.82	17.67	17.73	3,365,834	-0.19(-1.06%)
Apr 11, 2013	18.01	18.01	17.89	17.92	4,801,150	-0.12(-0.67%)
Apr 10, 2013	17.97	18.07	17.97	18.04	4,223,646	+0.12(+0.67%)
Apr 09, 2013	17.76	17.95	17.74	17.92	16,104,024	+0.20(+1.13%)
Apr 08, 2013	17.70	17.75	17.65	17.72	2,904,317	+0.01(+0.06%)
Apr 05, 2013	17.62	17.72	17.58	17.71	8,184,620	-0.09(-0.51%)
Apr 04, 2013	17.87	17.89	17.75	17.80	5,867,489	-0.10(-0.56%)
Apr 03, 2013	18.29	18.30	17.85	17.90	8,953,843	-0.40(-2.19%)
Apr 02, 2013	18.28	18.34	18.27	18.30	2,315,658	+0.00(+0.00%)
Apr 01, 2013	18.34	18.36	18.27	18.30	3,562,333	-0.04(-0.22%)
Mar 28, 2013		18.34	18.34	18.34	0	+0.12(+0.66%)
Mar 27, 2013	18.22	18.27	18.14	18.22	5,242,660	-0.05(-0.27%)
Mar 26, 2013	18.25	18.29	18.21	18.27	7,787,466	+0.04(+0.22%)
Mar 25, 2013	18.40	18.40	18.19	18.23	4,822,411	-0.17(-0.92%)
Mar 22, 2013	18.30	18.43	18.30	18.40	2,253,416	+0.10(+0.55%)
Mar 21, 2013	18.50	18.50	18.30	18.30	4,951,179	-0.34(-1.82%)
Mar 20, 2013	18.60	18.64	18.56	18.64	4,998,842	+0.11(+0.59%)
Mar 19, 2013	18.52	18.62	18.49	18.53	4,337,708	+0.04(+0.22%)
Mar 18, 2013	18.53	18.59	18.49	18.49	3,674,802	-0.14(-0.75%)
Mar 15, 2013	18.59	18.70	18.57	18.63	5,167,941	+0.05(+0.27%)
Mar 14, 2013	18.49	18.61	18.48	18.58	2,403,799	+0.10(+0.54%)
Mar 13, 2013	18.70	18.70	18.45	18.48	3,287,988	-0.19(-1.02%)
Mar 12, 2013	18.67	18.72	18.63	18.67	2,196,055	+0.02(+0.11%)
Mar 11, 2013	18.58	18.67	18.57	18.65	1,963,411	+0.04(+0.21%)
Mar 08, 2013	18.63	18.63	18.54	18.61	3,222,507	+0.01(+0.05%)
Mar 07, 2013	18.66	18.69	18.57	18.60	3,301,903	-0.02(-0.11%)
Mar 06, 2013	18.57	18.62	18.52	18.62	4,120,888	+0.11(+0.59%)
Mar 05, 2013	18.56	18.63	18.48	18.51	4,992,904	+0.06(+0.33%)
Mar 04, 2013	18.54	18.54	18.43	18.45	4,441,257	-0.11(-0.59%)
Mar 01, 2013	18.56	18.58	18.49	18.56	5,584,771	-0.05(-0.27%)
Feb 28, 2013	18.50	18.61	18.48	18.61	3,944,591	+0.11(+0.59%)
Feb 27, 2013	18.30	18.50	18.30	18.50	3,647,354	+0.13(+0.71%)
Feb 26, 2013	18.35	18.37	18.27	18.37	10,021,374	-0.03(-0.16%)
Feb 22, 2013	18.33	18.42	18.32	18.40	3,384,893	+0.09(+0.49%)
Feb 21, 2013	18.38	18.38	18.23	18.31	6,026,110	-0.10(-0.54%)
Feb 20, 2013	18.52	18.54	18.37	18.41	3,898,348	-0.13(-0.70%)
Feb 19, 2013	18.42	18.54	18.42	18.54	3,957,995	+0.20(+1.09%)
Feb 15, 2013		18.34	18.34	18.34	0	-0.05(-0.27%)
Feb 14, 2013	18.46	18.46	18.34	18.39	5,678,520	-0.09(-0.49%)
Feb 13, 2013	18.52	18.53	18.45	18.48	2,002,792	-0.02(-0.11%)
Feb 12, 2013	18.43	18.53	18.42	18.50	4,911,768	+0.06(+0.33%)
Feb 11, 2013	18.47	18.48	18.43	18.44	2,547,078	-0.06(-0.32%)
Feb 08, 2013	18.43	18.53	18.43	18.50	12,652,226	+0.11(+0.60%)
Feb 07, 2013	18.42	18.47	18.38	18.39	14,838,241	-0.06(-0.33%)
Feb 06, 2013	18.36	18.46	18.36	18.45	7,092,176	+0.10(+0.54%)
Feb 04, 2013	18.32	18.39	18.26	18.35	10,745,018	-0.10(-0.54%)
Feb 01, 2013	18.44	18.46	18.40	18.45	5,302,903	+0.14(+0.76%)
Jan 31, 2013	18.44	18.46	18.31	18.31	4,732,716	-0.19(-1.03%)
Jan 30, 2013	18.60	18.69	18.48	18.50	3,580,095	-0.08(-0.43%)
Jan 29, 2013	18.57	18.62	18.57	18.58	1,742,620	+0.01(+0.05%)
Jan 28, 2013	18.60	18.65	18.55	18.57	5,081,956	+0.01(+0.05%)
Jan 25, 2013	18.60	18.63	18.52	18.56	4,213,603	+0.00(+0.00%)
Jan 24, 2013	18.49	18.60	18.49	18.56	18,445,944	+0.07(+0.38%)
Jan 23, 2013	18.50	18.54	18.48	18.49	4,646,605	-0.05(-0.27%)
Jan 22, 2013	18.45	18.54	18.42	18.54	3,900,666	+0.04(+0.22%)
Jan 21, 2013	18.40	18.50	18.38	18.50	2,852,403	+0.15(+0.82%)
Jan 18, 2013	18.32	18.40	18.30	18.35	2,935,712	+0.09(+0.49%)
Jan 17, 2013	18.20	18.29	18.20	18.26	2,562,923	+0.07(+0.38%)
Jan 16, 2013	18.17	18.19	18.14	18.19	3,604,116	-0.06(-0.33%)
Jan 15, 2013	18.12	18.25	18.12	18.25	4,887,423	+0.09(+0.50%)
Jan 14, 2013	18.19	18.22	18.14	18.16	6,557,082	+0.02(+0.11%)
Jan 11, 2013	18.17	18.18	18.07	18.14	8,327,769	-0.01(-0.06%)
Jan 10, 2013	18.11	18.19	18.07	18.15	5,837,692	+0.14(+0.78%)
Jan 09, 2013	18.00	18.03	17.96	18.01	5,276,350	+0.04(+0.22%)
Jan 08, 2013	17.97	18.01	17.91	17.97	9,841,766	-0.01(-0.06%)
Jan 07, 2013	18.00	18.01	17.92	17.98	4,470,868	-0.10(-0.55%)
Jan 04, 2013	17.94	18.08	17.94	18.08	6,528,052	+0.09(+0.50%)
Jan 03, 2013	18.08	18.08	17.91	17.99	3,696,215	-0.08(-0.44%)
Jan 02, 2013	18.15	18.07	18.00	18.07	4,584,124	+0.15(+0.84%)
Dec 31, 2012		17.92	17.92	17.92	0	+0.14(+0.79%)
Dec 28, 2012	17.75	17.81	17.74	17.78	3,242,554	-0.04(-0.22%)
Dec 27, 2012	17.77	17.85	17.72	17.82	3,673,388	+0.00(+0.00%)
Dec 24, 2012		17.82	17.82	17.82	0	-0.15(-0.83%)
Dec 21, 2012	17.81	18.00	17.75	17.97	7,345,981	+0.01(+0.06%)
Dec 20, 2012	17.91	17.96	17.86	17.96	5,117,658	+0.02(+0.11%)
Dec 19, 2012	17.90	17.98	17.86	17.94	5,206,514	+0.07(+0.39%)
Dec 18, 2012	17.77	17.88	17.75	17.87	4,849,189	+0.10(+0.56%)
Dec 17, 2012	17.74	17.78	17.67	17.77	6,115,621	+0.04(+0.23%)
Dec 14, 2012	17.77	17.80	17.71	17.73	3,795,837	-0.05(-0.28%)
Dec 13, 2012	17.80	17.81	17.73	17.78	3,115,988	-0.09(-0.50%)
Dec 12, 2012	17.81	17.89	17.79	17.87	5,014,737	+0.12(+0.68%)
Dec 11, 2012	17.70	17.81	17.69	17.75	4,619,139	+0.10(+0.57%)
Dec 10, 2012	17.64	17.69	17.62	17.65	3,755,376	+0.07(+0.40%)
Dec 07, 2012	17.63	17.66	17.55	17.58	4,476,935	+0.01(+0.06%)
Dec 06, 2012	17.63	17.64	17.54	17.57	2,649,462	-0.02(-0.11%)
Dec 05, 2012	17.58	17.67	17.54	17.59	7,180,113	+0.05(+0.29%)
Dec 04, 2012	17.49	17.58	17.47	17.54	4,084,545	-0.04(-0.23%)
Nov 30, 2012	17.64	17.73	17.58	17.58	6,258,901	-0.06(-0.34%)
Nov 29, 2012	17.67	17.70	17.61	17.64	9,882,405	+0.09(+0.51%)
Nov 28, 2012	17.32	17.55	17.32	17.55	6,023,192	+0.06(+0.34%)
Nov 27, 2012	17.61	17.63	17.48	17.49	5,244,356	-0.12(-0.68%)
Nov 26, 2012	17.60	17.61	17.53	17.61	4,335,887	+0.00(+0.00%)
Nov 24, 2012	17.56	17.66	17.51	17.61	4,594,702	+0.00(+0.00%)
Nov 23, 2012	17.56	17.66	17.51	17.61	4,594,702	+0.10(+0.57%)
Nov 22, 2012	17.51	17.57	17.50	17.51	2,587,269	+0.07(+0.40%)
Nov 21, 2012	17.30	17.45	17.30	17.44	2,872,883	+0.10(+0.58%)
Nov 20, 2012	17.33	17.35	17.24	17.34	8,393,636	+0.04(+0.23%)
Nov 19, 2012	17.28	17.31	17.24	17.30	6,625,450	+0.23(+1.35%)
Nov 16, 2012	17.00	17.08	16.91	17.07	19,085,614	+0.10(+0.59%)
Nov 15, 2012	17.08	17.15	16.91	16.97	9,026,729	-0.17(-0.99%)
Nov 14, 2012	17.48	17.48	17.12	17.14	6,507,407	-0.33(-1.89%)
Nov 13, 2012	17.46	17.61	17.45	17.47	3,295,757	-0.08(-0.46%)
Nov 12, 2012	17.58	17.60	17.53	17.55	4,049,549	+0.02(+0.11%)
Nov 09, 2012	17.49	17.61	17.45	17.53	5,779,423	+0.04(+0.23%)
Nov 08, 2012	17.58	17.61	17.47	17.49	3,629,064	-0.09(-0.51%)
Nov 07, 2012	17.72	17.73	17.53	17.58	5,787,066	-0.22(-1.24%)
Nov 06, 2012	17.83	17.85	17.74	17.80	2,573,322	+0.02(+0.11%)
Nov 05, 2012	17.77	17.87	17.75	17.78	4,058,493	-0.01(-0.06%)
Nov 02, 2012	17.96	17.98	17.79	17.79	5,904,741	-0.18(-1.00%)
Nov 01, 2012	17.87	18.01	17.86	17.97	5,689,372	+0.09(+0.50%)
Oct 31, 2012	17.90	17.96	17.84	17.88	5,994,908	+0.03(+0.17%)
Oct 30, 2012	17.71	17.88	17.71	17.85	3,611,949	+0.21(+1.19%)
Oct 29, 2012	17.66	17.74	17.61	17.64	3,157,456	-0.07(-0.40%)
Oct 26, 2012	17.68	17.77	17.67	17.71	4,604,752	+0.01(+0.06%)
Oct 25, 2012	17.69	17.73	17.63	17.70	4,840,519	+0.18(+1.03%)
Oct 24, 2012	17.60	17.61	17.50	17.52	6,006,336	-0.01(-0.06%)
Oct 23, 2012	17.63	17.63	17.40	17.53	6,030,709	-0.29(-1.63%)
Oct 19, 2012	17.85	17.87	17.76	17.82	4,282,630	-0.08(-0.45%)
Oct 18, 2012	17.82	17.93	17.82	17.90	4,811,270	+0.03(+0.17%)
Oct 17, 2012	17.81	17.87	17.78	17.87	3,010,509	+0.07(+0.39%)
Oct 16, 2012	17.62	17.82	17.62	17.80	3,780,218	+0.25(+1.42%)
Oct 15, 2012	17.47	17.55	17.39	17.55	3,774,022	+0.10(+0.57%)
Oct 12, 2012	17.55	17.55	17.43	17.45	4,055,527	-0.09(-0.51%)
Oct 11, 2012	17.56	17.62	17.53	17.54	2,934,716	+0.05(+0.29%)
Oct 10, 2012	17.52	17.59	17.47	17.49	3,367,051	-0.11(-0.63%)
Oct 09, 2012	17.74	17.76	17.57	17.60	4,914,082	-0.18(-1.01%)
Oct 05, 2012		17.78	17.78	17.78	0	-0.06(-0.34%)
Oct 04, 2012	17.75	17.86	17.75	17.84	4,229,184	+0.13(+0.73%)
Oct 03, 2012	17.78	17.79	17.68	17.71	3,957,170	-0.06(-0.34%)
Oct 02, 2012	17.77	17.80	17.68	17.77	3,152,730	+0.05(+0.28%)
Oct 01, 2012	17.73	17.86	17.71	17.72	1,923,496	+0.11(+0.62%)
Sep 28, 2012	17.62	17.63	17.52	17.61	5,744,650	-0.10(-0.56%)
Sep 27, 2012	17.62	17.72	17.55	17.71	7,735,189	+0.18(+1.03%)
Sep 26, 2012	17.43	17.55	17.43	17.53	6,874,323	-0.02(-0.11%)
Sep 25, 2012	17.66	17.72	17.51	17.55	6,995,836	-0.05(-0.28%)
Sep 24, 2012	17.61	17.70	17.57	17.60	5,957,453	-0.10(-0.56%)
Sep 21, 2012	17.85	17.85	17.68	17.70	8,912,351	-0.18(-1.01%)
Sep 20, 2012	17.85	17.90	17.82	17.88	3,518,893	-0.05(-0.28%)
Sep 19, 2012	17.96	17.98	17.90	17.93	8,991,754	+0.01(+0.06%)
Sep 18, 2012	17.94	17.97	17.89	17.92	5,302,008	-0.05(-0.28%)
Sep 17, 2012	18.02	18.07	17.95	17.97	3,945,037	-0.07(-0.39%)
Sep 14, 2012	18.00	18.10	17.96	18.04	5,452,402	+0.19(+1.06%)
Sep 13, 2012	17.65	17.87	17.59	17.85	7,134,244	+0.21(+1.19%)
Sep 12, 2012	17.72	17.75	17.61	17.64	7,748,686	+0.03(+0.17%)
Sep 11, 2012	17.66	17.70	17.58	17.61	5,521,560	-0.01(-0.06%)
Sep 10, 2012	17.66	17.77	17.62	17.62	3,774,561	-0.06(-0.34%)
Sep 07, 2012	17.56	17.70	17.55	17.68	3,649,902	+0.19(+1.09%)
Sep 06, 2012	17.33	17.50	17.33	17.49	7,439,055	+0.23(+1.33%)
Sep 05, 2012	17.18	17.29	17.18	17.26	2,152,904	+0.08(+0.47%)
Sep 04, 2012	17.25	17.25	17.13	17.18	2,261,111	-0.02(-0.12%)
Aug 31, 2012		17.20	17.20	17.20	0	+0.05(+0.29%)
Aug 30, 2012	17.25	17.28	17.11	17.15	3,826,388	-0.15(-0.87%)
Aug 29, 2012	17.32	17.32	17.19	17.30	4,245,396	+0.01(+0.06%)
Aug 27, 2012	17.37	17.37	17.28	17.29	2,346,930	-0.04(-0.23%)
Aug 24, 2012	17.25	17.41	17.25	17.33	2,401,101	+0.06(+0.35%)
Aug 23, 2012	17.39	17.40	17.24	17.27	3,499,697	-0.13(-0.75%)
Aug 22, 2012	17.34	17.41	17.26	17.40	3,853,939	+0.00(+0.00%)
Aug 21, 2012	17.43	17.53	17.37	17.40	4,147,997	+0.02(+0.12%)
Aug 20, 2012	17.38	17.39	17.29	17.38	3,467,821	-0.01(-0.06%)
Aug 17, 2012	17.33	17.39	17.30	17.39	2,851,061	+0.10(+0.58%)
Aug 16, 2012	17.14	17.29	17.10	17.29	3,371,882	+0.22(+1.29%)
Aug 15, 2012	17.03	17.11	17.00	17.07	3,533,124	+0.03(+0.18%)
Aug 14, 2012	17.04	17.09	17.02	17.04	3,728,778	+0.06(+0.35%)
Aug 13, 2012	17.05	17.09	16.92	16.98	2,508,815	-0.07(-0.41%)
Aug 11, 2012	16.98	17.05	16.93	17.05	2,532,374	+0.00(+0.00%)
Aug 10, 2012	16.98	17.05	16.93	17.05	2,532,374	+0.06(+0.35%)
Aug 09, 2012	16.87	17.04	16.87	16.99	3,369,893	+0.10(+0.59%)
Aug 08, 2012	17.02	17.05	16.87	16.89	6,805,485	-0.14(-0.82%)
Aug 07, 2012	16.88	17.04	16.87	17.03	7,897,975	+0.31(+1.85%)
Aug 03, 2012		16.72	16.72	16.72	0	+0.22(+1.33%)
Aug 02, 2012	16.55	16.64	16.41	16.50	4,605,223	-0.15(-0.90%)
Aug 01, 2012	16.74	16.77	16.62	16.65	2,835,699	-0.05(-0.30%)
Jul 31, 2012	16.88	16.91	16.69	16.70	5,656,144	-0.13(-0.77%)
Jul 30, 2012	16.85	16.93	16.79	16.83	4,339,418	-0.04(-0.24%)
Jul 27, 2012	16.75	16.94	16.67	16.87	6,915,223	+0.22(+1.32%)
Jul 26, 2012	16.55	16.71	16.50	16.65	3,355,403	+0.20(+1.22%)
Jul 25, 2012	16.55	16.55	16.36	16.45	3,730,927	+0.01(+0.06%)
Jul 24, 2012	16.56	16.63	16.41	16.44	4,932,892	-0.10(-0.60%)
Jul 23, 2012	16.51	16.57	16.34	16.54	5,395,673	-0.10(-0.60%)
Jul 20, 2012	16.61	16.69	16.59	16.64	2,422,685	-0.08(-0.48%)
Jul 19, 2012	16.67	16.75	16.66	16.72	4,367,884	+0.09(+0.54%)
Jul 18, 2012	16.61	16.67	16.57	16.63	3,468,963	+0.02(+0.12%)
Jul 17, 2012	16.60	16.61	16.47	16.61	2,712,101	+0.09(+0.54%)
Jul 16, 2012	16.49	16.56	16.44	16.52	5,056,441	+0.00(+0.00%)
Jul 13, 2012	16.47	16.53	16.45	16.52	2,943,814	+0.12(+0.73%)
Jul 12, 2012	16.41	16.45	16.29	16.40	5,139,743	-0.15(-0.91%)
Jul 11, 2012	16.50	16.59	16.45	16.55	4,153,716	+0.04(+0.24%)
Jul 10, 2012	16.72	16.80	16.42	16.51	5,985,255	-0.15(-0.90%)
Jul 09, 2012	16.71	16.77	16.57	16.66	2,907,389	-0.07(-0.42%)
Jul 06, 2012	16.83	16.84	16.68	16.73	5,380,270	-0.23(-1.36%)
Jul 05, 2012	17.06	17.08	16.95	16.96	14,285,801	-0.14(-0.82%)
Jul 04, 2012	17.00	17.17	17.00	17.10	5,671,022	+0.04(+0.23%)
Jul 03, 2012	16.80	17.09	17.02	17.06	9,108,363	+0.45(+2.71%)
Jun 29, 2012		16.61	16.61	16.61	0	+0.18(+1.10%)
Jun 28, 2012	16.32	16.43	16.15	16.43	3,770,319	+0.03(+0.18%)
Jun 27, 2012	16.32	16.41	16.27	16.40	7,101,780	+0.13(+0.80%)
Jun 26, 2012	16.30	16.31	16.15	16.27	2,123,743	-0.01(-0.06%)
Jun 25, 2012	16.30	16.32	16.21	16.28	3,932,770	-0.12(-0.73%)
Jun 22, 2012	16.45	16.45	16.31	16.40	16,296,289	-0.07(-0.43%)
Jun 21, 2012	16.86	16.90	16.44	16.47	5,971,559	-0.49(-2.89%)
Jun 20, 2012	16.97	17.06	16.83	16.96	4,768,658	-0.05(-0.29%)
Jun 19, 2012	16.75	17.04	16.75	17.01	3,721,177	+0.30(+1.80%)
Jun 18, 2012	16.54	16.78	16.54	16.71	2,518,272	+0.10(+0.60%)
Jun 15, 2012	16.55	16.65	16.54	16.61	5,017,205	+0.11(+0.67%)
Jun 14, 2012	16.60	16.60	16.44	16.50	5,859,767	-0.02(-0.12%)
Jun 13, 2012	16.42	16.65	16.42	16.52	4,148,669	+0.02(+0.12%)
Jun 12, 2012	16.37	16.50	16.32	16.50	5,780,871	+0.20(+1.23%)
Jun 11, 2012	16.62	16.62	16.29	16.30	4,411,164	-0.18(-1.09%)
Jun 08, 2012	16.49	16.59	16.43	16.48	3,145,413	-0.13(-0.78%)
Jun 07, 2012	16.80	16.80	16.61	16.61	5,470,571	-0.04(-0.24%)
Jun 06, 2012	16.64	16.71	16.55	16.65	6,161,337	+0.18(+1.09%)
Jun 05, 2012	16.25	16.49	16.22	16.47	3,523,580	+0.23(+1.42%)
Jun 04, 2012	16.29	16.30	16.05	16.24	4,689,879	-0.02(-0.12%)
Jun 02, 2012	16.33	16.38	16.26	16.26	6,447,382	+0.00(+0.00%)
Jun 01, 2012	16.33	16.38	16.26	16.26	6,447,382	-0.22(-1.33%)
May 31, 2012	16.40	16.55	16.29	16.48	7,871,010	+0.12(+0.73%)
May 30, 2012	16.45	16.48	16.35	16.36	5,143,114	-0.27(-1.62%)
May 29, 2012	16.59	16.74	16.56	16.63	4,336,539	+0.13(+0.79%)
May 28, 2012	16.64	16.65	16.45	16.50	3,856,467	-0.05(-0.30%)
May 25, 2012	16.54	16.60	16.50	16.55	5,102,489	-0.02(-0.12%)
May 24, 2012	16.61	16.66	16.41	16.57	9,279,951	-0.01(-0.06%)
May 23, 2012	16.23	16.59	16.11	16.58	10,495,889	+0.19(+1.16%)
May 22, 2012	16.39	16.51	16.32	16.39	6,007,082	+0.27(+1.67%)
May 18, 2012		16.12	16.12	16.12	0	-0.08(-0.49%)
May 17, 2012	16.30	16.36	16.19	16.20	7,498,600	+0.00(+0.00%)
May 16, 2012	16.26	16.42	16.17	16.20	9,749,177	-0.02(-0.12%)
May 15, 2012	16.41	16.41	16.18	16.22	6,212,070	-0.18(-1.10%)
May 14, 2012	16.49	16.52	16.39	16.40	4,586,936	-0.28(-1.68%)
May 11, 2012	16.64	16.83	16.60	16.68	6,763,533	-0.05(-0.30%)
May 10, 2012	16.74	16.81	16.67	16.73	11,942,774	+0.11(+0.66%)
May 09, 2012	16.52	16.75	16.46	16.62	6,178,990	-0.05(-0.30%)
May 08, 2012	16.83	16.85	16.54	16.67	7,588,519	-0.25(-1.48%)
May 07, 2012	16.84	16.95	16.79	16.92	5,971,869	+0.01(+0.06%)
May 04, 2012	17.00	17.05	16.84	16.91	6,450,504	-0.21(-1.23%)
May 03, 2012	17.43	17.45	17.06	17.12	6,244,590	-0.35(-2.00%)
May 02, 2012	17.51	17.52	17.36	17.47	3,451,157	-0.15(-0.85%)

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