Year 2015 = 100 1980 13.6931816883 1981 11.7833240627 1982 10.611819529 1983 8.8774772958 1984 8.3974351459 1985 8.5129648504 1986 10.8055333813 1987 10.1282322014 1988 11.4279145007 1989 12.5869700072 1990 13.0199406799 1991 15.4419950459 1992 16.2852352848 1993 21.7197996254 1994 29.526735412 1995 43.9784085452 1996 45.4312086983 1997 53.1906191962 1998 53.2922635113 1999 46.9217300451 2000 50.4970073264 2001 51.9913165851 2002 45.7707698199 2003 44.2310808146 2004 52.1913998673 2005 54.8347593878 2006 64.1959141483 2007 79.455314384 2008 93.5666863668 2009 77.1504803875 2010 106.3145735057 2011 114.4331661819 2012 112.2859728845 2013 120.8996349382 2014 117.705172642 2015 100 2016 88.3396547886 2017 96.6705145134 2018 105.4433779266 2019 109.8980264192 2020 102.0824600223 2021 127.2851095245