Year 2015 = 100 1980 8.3916820199 1981 8.2213548076 1982 5.2420857679 1983 18.6843227959 1984 4.5178568372 1985 6.4359672659 1986 7.7734931186 1987 8.5973236939 1988 6.7314935306 1989 9.4865789499 1990 8.9141129783 1991 7.844939844 1992 16.1265150985 1993 29.3038639415 1994 15.6793968718 1995 14.1749832533 1996 15.6743453041 1997 17.2955040666 1998 19.0551694525 1999 25.8691012149 2000 22.1012011819 2001 23.423586684 2002 20.2012764878 2003 23.8406661427 2004 30.25565427 2005 39.7124855048 2006 50.1570731926 2007 59.8684298387 2008 76.2604251272 2009 59.7565848094 2010 81.1144547449 2011 117.6208646632 2012 131.9204667438 2013 130.7104461354 2014 108.430263216 2015 100 2016 95.9528587381 2017 93.9271715083 2018 97.5418601801 2019 99.5985164528 2020 92.3022994191 2021 101.2149964286