Year	Index 2010=1
1988-01-01	0.394531662036925
1989-01-01	0.401100102820889
1990-01-01	0.443980545604266
1991-01-01	0.462540733831794
1992-01-01	0.459832642649526
1993-01-01	0.524184702444069
1994-01-01	0.522993086054435
1995-01-01	0.537849639436130
1996-01-01	0.533904302101897
1997-01-01	0.587137776158965
1998-01-01	0.568136317814442
1999-01-01	0.571101115010542
2000-01-01	0.608431771530538
2001-01-01	0.659389107551578
2002-01-01	0.674797123038218
2003-01-01	0.674636538307184
2004-01-01	0.695696669643993
2005-01-01	0.740913435332226
2006-01-01	0.770855415405506
2007-01-01	0.848401039259862
2008-01-01	0.938861859079648
2009-01-01	0.952574345819665
2010-01-01	1.000000000000000