Year	Index 2010=1
1988-01-01	0.675731447174225
1989-01-01	0.689715960295685
1990-01-01	0.720464389258267
1991-01-01	0.751432759317940
1992-01-01	0.782905737094614
1993-01-01	0.818740606455537
1994-01-01	0.844225714450022
1995-01-01	0.836397355750568
1996-01-01	0.839279926634486
1997-01-01	0.837323328127940
1998-01-01	0.838128944979598
1999-01-01	0.846905368809946
2000-01-01	0.848147712665985
2001-01-01	0.860699858135439
2002-01-01	0.862019855424212
2003-01-01	0.884931496275237
2004-01-01	0.887125742586500
2005-01-01	0.906578464844135
2006-01-01	0.919059324147503
2007-01-01	0.933638652895386
2008-01-01	0.960617183441116
2009-01-01	0.992829288504736
2010-01-01	1.000000000000000