Year	Index 2010=1
1998-01-01	0.723579675587099
1999-01-01	0.740572274216959
2000-01-01	0.755868448037261
2001-01-01	0.804843741172823
2002-01-01	0.851509704501649
2003-01-01	0.891438301575598
2004-01-01	0.900713442821050
2005-01-01	0.893454103791750
2006-01-01	0.894012929145651
2007-01-01	0.918955235169021
2008-01-01	0.962164128266118
2009-01-01	0.993872965589874
2010-01-01	1.000000000000000