Year	Index 2010=1
1988-01-01	0.396286080907799
1989-01-01	0.403539276228365
1990-01-01	0.444282156462681
1991-01-01	0.462884193279997
1992-01-01	0.459284399287336
1993-01-01	0.523522800348370
1994-01-01	0.526498595323043
1995-01-01	0.541584502051652
1996-01-01	0.534613312133067
1997-01-01	0.586505140609342
1998-01-01	0.568351645195800
1999-01-01	0.572212351691696
2000-01-01	0.614749080027479
2001-01-01	0.660462996714488
2002-01-01	0.675709510788794
2003-01-01	0.675636885115976
2004-01-01	0.695712058160028
2005-01-01	0.745151465509987
2006-01-01	0.772860635775930
2007-01-01	0.847624065179084
2008-01-01	0.936125687547549
2009-01-01	0.950974633335346
2010-01-01	1.000000000000000