Year	Index 2010=1
1988-01-01	0.522572346444290
1989-01-01	0.541548138364439
1990-01-01	0.547305248987984
1991-01-01	0.563595095246646
1992-01-01	0.572442249957082
1993-01-01	0.557778337532212
1994-01-01	0.559154570946940
1995-01-01	0.591520874172413
1996-01-01	0.620237239186155
1997-01-01	0.616372348894586
1998-01-01	0.657075503784659
1999-01-01	0.702009645475411
2000-01-01	0.723183075713196
2001-01-01	0.781185109215354
2002-01-01	0.833969358702222
2003-01-01	0.856861076052228
2004-01-01	0.853386135346464
2005-01-01	0.878357088162728
2006-01-01	0.921950654192167
2007-01-01	0.979263225315560
2008-01-01	1.018092474672290
2009-01-01	0.992471963383413
2010-01-01	1.000000000000000