Year	Index 2010=1
1988-01-01	0.589179249350873
1989-01-01	0.633436077676391
1990-01-01	0.652235106597449
1991-01-01	0.685752296353042
1992-01-01	0.706240880770851
1993-01-01	0.748074481311197
1994-01-01	0.711828969232474
1995-01-01	0.720384269153957
1996-01-01	0.725830726931967
1997-01-01	0.748229286471942
1998-01-01	0.749570654696309
1999-01-01	0.760257087025183
2000-01-01	0.761782605927023
2001-01-01	0.773103495299808
2002-01-01	0.780232555683176
2003-01-01	0.752592898350755
2004-01-01	0.748868811533352
2005-01-01	0.757099815811082
2006-01-01	0.788533564570102
2007-01-01	0.810230852243559
2008-01-01	0.862712575614109
2009-01-01	0.923640036784166
2010-01-01	1.000000000000000