Year	Index 2010=1
1987-01-01	0.889475508343856
1988-01-01	0.886439819143828
1989-01-01	0.866592609822180
1990-01-01	0.889750394714608
1991-01-01	0.912573255225152
1992-01-01	0.954631528074388
1993-01-01	0.960680502586984
1994-01-01	0.923431569745302
1995-01-01	0.918322902852330
1996-01-01	0.908329548650514
1997-01-01	0.942610327581624
1998-01-01	0.966663861832768
1999-01-01	0.965286944720670
2000-01-01	0.953369801450874
2001-01-01	0.976753419742396
2002-01-01	0.993409467438754
2003-01-01	1.015048999121100
2004-01-01	0.985136395715690
2005-01-01	0.969776687917720
2006-01-01	0.977976959358723
2007-01-01	0.976404020583540
2008-01-01	1.011533831945720
2009-01-01	1.086536494111960
2010-01-01	1.000000000000000