Year	Index 2010=1
1980-01-01	0.425218197549550
1981-01-01	0.475844542025212
1982-01-01	0.531651056656936
1983-01-01	0.580643334557625
1984-01-01	0.608206421260223
1985-01-01	0.648747525410539
1986-01-01	0.662320580996356
1987-01-01	0.684905919805296
1988-01-01	0.703163513115482
1989-01-01	0.713513721515564
1990-01-01	0.752413012641641
1991-01-01	0.772083790571820
1992-01-01	0.791418390257179
1993-01-01	0.801718368467409
1994-01-01	0.794181478129423
1995-01-01	0.797919481165713
1996-01-01	0.803322840819156
1997-01-01	0.794566438732390
1998-01-01	0.797618646439198
1999-01-01	0.808705039109252
2000-01-01	0.826231901282455
2001-01-01	0.852949955417130
2002-01-01	0.877045032537402
2003-01-01	0.890569176113328
2004-01-01	0.904711333345166
2005-01-01	0.921880276518862
2006-01-01	0.939313835993980
2007-01-01	0.947874562558893
2008-01-01	0.974443353263171
2009-01-01	0.992908434306802
2010-01-01	1.000000000000000