Year	Index 2010=1
1987-01-01	0.701617633674013
1988-01-01	0.702114707116900
1989-01-01	0.694235228241801
1990-01-01	0.710906282972386
1991-01-01	0.737661793819572
1992-01-01	0.773320961305075
1993-01-01	0.790859168807281
1994-01-01	0.785957095465701
1995-01-01	0.789766782021101
1996-01-01	0.800076733215196
1997-01-01	0.811397341577432
1998-01-01	0.829864878111270
1999-01-01	0.841116636973367
2000-01-01	0.857899918891850
2001-01-01	0.894990903320317
2002-01-01	0.930676220489538
2003-01-01	0.944350225099658
2004-01-01	0.941004899145794
2005-01-01	0.931280132567200
2006-01-01	0.938431716251661
2007-01-01	0.951694148090364
2008-01-01	0.975761765475582
2009-01-01	1.033190006429490
2010-01-01	1.000000000000000