Year	Index 2010=1
1988-01-01	0.675168147620657
1989-01-01	0.689685931338254
1990-01-01	0.720675183327755
1991-01-01	0.750825463371167
1992-01-01	0.781862551280795
1993-01-01	0.817372103785818
1994-01-01	0.842602591579592
1995-01-01	0.834989329659218
1996-01-01	0.838865109028778
1997-01-01	0.837128946637652
1998-01-01	0.837525778771150
1999-01-01	0.846619389083387
2000-01-01	0.848218411378619
2001-01-01	0.860245601167365
2002-01-01	0.861936863749186
2003-01-01	0.883852391405772
2004-01-01	0.887087194269501
2005-01-01	0.906456838713593
2006-01-01	0.919069797436394
2007-01-01	0.934022785456334
2008-01-01	0.961547435986562
2009-01-01	0.993056598523937
2010-01-01	1.000000000000000