Year	Index 2010=1
1971-01-01	0.0574749756060292
1972-01-01	0.0607867915683527
1973-01-01	0.0734680529721083
1974-01-01	0.0979652001397469
1975-01-01	0.1066984775432190
1976-01-01	0.1218355346817480
1977-01-01	0.1522312693190050
1978-01-01	0.1839695056246050
1979-01-01	0.2119936432379950
1980-01-01	0.2460476766318770
1981-01-01	0.2836597706382660
1982-01-01	0.3199984201075580
1983-01-01	0.3577014744380250
1984-01-01	0.3941765643934340
1985-01-01	0.4277864041403770
1986-01-01	0.4529369337480340
1987-01-01	0.4687640301376630
1988-01-01	0.4885933807867390
1989-01-01	0.5176097241677260
1990-01-01	0.5458074246320070
1991-01-01	0.5691842279201370
1992-01-01	0.5926974716943850
1993-01-01	0.6136638263944400
1994-01-01	0.6339934588259460
1995-01-01	0.6647380483644210
1996-01-01	0.6833394346384390
1997-01-01	0.6971654038983450
1998-01-01	0.7092176468387240
1999-01-01	0.7203148063762800
2000-01-01	0.7518780388314590
2001-01-01	0.7722076712629660
2002-01-01	0.7848966364718920
2003-01-01	0.8018607369125010
2004-01-01	0.8402063763020280
2005-01-01	0.8849574487593040
2006-01-01	0.9478215931918010
2007-01-01	0.9921315629349940
2008-01-01	1.0411592608336900
2009-01-01	0.9833379176981490
2010-01-01	1.0000000000000000
2011-01-01	1.0360414426579300
2012-01-01	1.0331407900110900