Year	Index 2010=1
1987-01-01	0.420637495347135
1988-01-01	0.408671414902736
1989-01-01	0.410756917227389
1990-01-01	0.439148940340341
1991-01-01	0.457438036881019
1992-01-01	0.486480056647026
1993-01-01	0.504373063857980
1994-01-01	0.507539241843654
1995-01-01	0.521662054136386
1996-01-01	0.553457889051764
1997-01-01	0.579970210661392
1998-01-01	0.603447544708879
1999-01-01	0.618507765286366
2000-01-01	0.640425010902420
2001-01-01	0.678039140595632
2002-01-01	0.733151626032438
2003-01-01	0.777188449043630
2004-01-01	0.825142827916999
2005-01-01	0.814569988309686
2006-01-01	0.839397041170671
2007-01-01	0.829211015476866
2008-01-01	0.842472210838364
2009-01-01	0.907377047907584
2010-01-01	1.000000000000000