Year 2015 = 100 1980 16.327382034 1981 16.0540438697 1982 15.2221329504 1983 15.0763154197 1984 16.0438238157 1985 16.562103954 1986 19.1394060846 1987 22.3006844814 1988 25.4276613181 1989 27.0886053217 1990 30.9674325237 1991 31.4333875169 1992 33.3875277147 1993 32.853790927 1994 37.0784363228 1995 38.9161332827 1996 41.6001973115 1997 45.8668142516 1998 45.3980181417 1999 46.3070593199 2000 52.0386308214 2001 48.5234586367 2002 46.127766769 2003 48.2353526844 2004 54.2320029608 2005 59.9692979676 2006 68.280712209 2007 76.4155626024 2008 85.6825382317 2009 70.282346504 2010 85.0870926513 2011 98.664676452 2012 102.8704644062 2013 105.1259234197 2014 107.8505179235 2015 100 2016 96.5684510694 2017 102.9083993191 2018 110.7422524955 2019 109.356535414 2020 94.8330403211 2021 116.7531516881