Year	Index 2010=1
1980-01-01	0.248286783321604
1981-01-01	0.287996541148121
1982-01-01	0.280814461978089
1983-01-01	0.285288264426340
1984-01-01	0.297544804863652
1985-01-01	0.314388676729375
1986-01-01	0.327048810172505
1987-01-01	0.326830296712879
1988-01-01	0.360970151153598
1989-01-01	0.396196365890276
1990-01-01	0.418029940280471
1991-01-01	0.440741192340346
1992-01-01	0.463823407930685
1993-01-01	0.449039683533163
1994-01-01	0.436674808052663
1995-01-01	0.500952929157388
1996-01-01	0.520647014217811
1997-01-01	0.509489214850972
1998-01-01	0.494814632446071
1999-01-01	0.525967004954238
2000-01-01	0.578372184526480
2001-01-01	0.611639179214391
2002-01-01	0.646810244500980
2003-01-01	0.677591410139134
2004-01-01	0.700405245341036
2005-01-01	0.740933869698637
2006-01-01	0.788676275598154
2007-01-01	0.884133407252616
2008-01-01	0.915597285230607
2009-01-01	1.013667247113890
2010-01-01	1.000000000000000