Year	Index 2010=1
1988-01-01	0.810116198497731
1989-01-01	0.824868231364378
1990-01-01	0.845819417543773
1991-01-01	0.882979445148493
1992-01-01	0.919583121778225
1993-01-01	0.938363439621708
1994-01-01	0.940174236036799
1995-01-01	0.911271114665870
1996-01-01	0.911715743879830
1997-01-01	0.901062420868801
1998-01-01	0.899042942933437
1999-01-01	0.902111363204304
2000-01-01	0.901005558242465
2001-01-01	0.905708637492081
2002-01-01	0.907584662831084
2003-01-01	0.918418517474207
2004-01-01	0.910796534452535
2005-01-01	0.915021356083804
2006-01-01	0.921229338354917
2007-01-01	0.926578445913446
2008-01-01	0.955383461698060
2009-01-01	1.005077397386640
2010-01-01	1.000000000000000