Year 2015 = 100 1980 18.0165031457 1981 19.2344953449 1982 19.8736818959 1983 17.9489033113 1984 19.3901566336 1985 19.6796789779 1986 19.4201319493 1987 22.9805014233 1988 26.5569820359 1989 25.7845081187 1990 29.5736365791 1991 28.3218444627 1992 29.9267907348 1993 29.3345989766 1994 33.1142137413 1995 36.9009693048 1996 35.6622369307 1997 34.792628043 1998 32.8766671288 1999 34.7328528963 2000 33.2055739137 2001 34.7747911377 2002 42.5364747988 2003 44.7165940593 2004 50.0915755271 2005 57.7155372441 2006 55.6344056257 2007 68.1862306773 2008 80.2263804479 2009 69.2028864312 2010 75.926395267 2011 92.2588789902 2012 95.2428544902 2013 94.8005183581 2014 104.6433336376 2015 100 2016 109.6352759598 2017 110.3913120554 2018 110.0350521425 2019 113.7621522821 2020 109.4430390635 2021 131.9835307605