Year	Index 2010=1
1990-01-01	0.741504052737110
1991-01-01	0.761452760440924
1992-01-01	0.739878898867716
1993-01-01	0.727284435798884
1994-01-01	0.741936795244142
1995-01-01	0.752404896836216
1996-01-01	0.772148508356587
1997-01-01	0.783278222253171
1998-01-01	0.796775056515936
1999-01-01	0.779090780459786
2000-01-01	0.754935323755270
2001-01-01	0.802457802339849
2002-01-01	0.803320047329171
2003-01-01	0.822506489671099
2004-01-01	0.855624202120539
2005-01-01	0.900015998800977
2006-01-01	0.947821759574441
2007-01-01	0.958556273540718
2008-01-01	0.993094804764110
2009-01-01	1.001183333144560
2010-01-01	1.000000000000000