Year	Index 2010=1
1988-01-01	0.624138597340512
1989-01-01	0.626808021333629
1990-01-01	0.670313837185783
1991-01-01	0.716259545285570
1992-01-01	0.757608101782612
1993-01-01	0.782115220391600
1994-01-01	0.824303012668288
1995-01-01	0.829457555390612
1996-01-01	0.843402125457581
1997-01-01	0.848562152474525
1998-01-01	0.847973394790460
1999-01-01	0.853872910140940
2000-01-01	0.850586162082849
2001-01-01	0.884800434184064
2002-01-01	0.885776424507419
2003-01-01	0.915888655289548
2004-01-01	0.903916473915849
2005-01-01	0.918608436760129
2006-01-01	0.935760762046311
2007-01-01	0.959923232549263
2008-01-01	0.978720967604306
2009-01-01	0.987190908546192
2010-01-01	1.000000000000000