Year	Index 2010=1
1988-01-01	0.657983867486044
1989-01-01	0.696719305142002
1990-01-01	0.687339991106503
1991-01-01	0.688726712948899
1992-01-01	0.697844196586664
1993-01-01	0.695346563777771
1994-01-01	0.684602951633333
1995-01-01	0.688934647174736
1996-01-01	0.703732412758659
1997-01-01	0.720021014643500
1998-01-01	0.756218019151651
1999-01-01	0.759875384173150
2000-01-01	0.754377984843744
2001-01-01	0.784582481444131
2002-01-01	0.818957019792519
2003-01-01	0.830301845946561
2004-01-01	0.834660503597119
2005-01-01	0.860460468537522
2006-01-01	0.879897366676636
2007-01-01	0.915748393805701
2008-01-01	0.994768065381983
2009-01-01	1.028852860812050
2010-01-01	1.000000000000000