Year	Index 2010=1
1988-01-01	0.786091148534719
1989-01-01	0.789591782075409
1990-01-01	0.840307961698815
1991-01-01	0.867368204474855
1992-01-01	0.884574145183639
1993-01-01	0.904695432182750
1994-01-01	0.833982021702728
1995-01-01	0.850585280497668
1996-01-01	0.914742674088864
1997-01-01	0.876170160488046
1998-01-01	0.905784546742130
1999-01-01	0.914318699890881
2000-01-01	0.899889363688402
2001-01-01	0.940908774169904
2002-01-01	0.973795446176094
2003-01-01	0.998034117720940
2004-01-01	0.978976475362812
2005-01-01	1.003233520107310
2006-01-01	0.990842874387136
2007-01-01	1.023674178447200
2008-01-01	1.021185731946590
2009-01-01	1.064140738442700
2010-01-01	1.000000000000000