Year	Index 2010=1
1990-01-01	0.660525362458703
1991-01-01	0.666778543146480
1992-01-01	0.671520516708816
1993-01-01	0.664985359220075
1994-01-01	0.676915936244721
1995-01-01	0.684525786797452
1996-01-01	0.702018104573643
1997-01-01	0.712857305217368
1998-01-01	0.724657211777770
1999-01-01	0.717162884036352
2000-01-01	0.707593172187619
2001-01-01	0.726521051026239
2002-01-01	0.743845347279196
2003-01-01	0.766539668326790
2004-01-01	0.796838033034076
2005-01-01	0.835421347333068
2006-01-01	0.877343570662867
2007-01-01	0.896349986822048
2008-01-01	0.947016819664142
2009-01-01	0.975879671656488
2010-01-01	1.000000000000000