Year 2015 = 100 1980 3.9795326045 1981 4.1062136472 1982 4.2352569721 1983 4.5963485531 1984 5.334107775 1985 5.3362241226 1986 6.0457040952 1987 7.2470332019 1988 9.5479190677 1989 10.6441582036 1990 11.5836707069 1991 13.0672909151 1992 14.1902401654 1993 16.69441096 1994 21.6470938186 1995 24.8985897606 1996 26.5399703257 1997 28.1921771011 1998 28.6216681555 1999 30.1790242668 2000 34.8137308148 2001 34.3110581372 2002 36.9815623717 2003 51.3084643945 2004 59.9462522229 2005 65.785909449 2006 73.0947072294 2007 78.5853720177 2008 80.9985685562 2009 73.1416986989 2010 87.7677357888 2011 91.7016604251 2012 91.8397222122 2013 95.7841410298 2014 97.9445916929 2015 100 2016 100.271364189 2017 106.1364955619 2018 110.6327983858 2019 107.344324601 2020 110.6447582949 2021 120.8951780839