Year 2015 = 100 1980 29.3827517464 1981 29.9588841336 1982 25.9259574233 1983 31.111148908 1984 32.8395460695 1985 43.2099290388 1986 39.7531347157 1987 48.3951205235 1988 55.8848415569 1989 56.4609739441 1990 61.0700330415 1991 58.7655034928 1992 62.7984302031 1993 63.9506949775 1994 63.3745625903 1995 66.2552245262 1996 66.2552245262 1997 66.2552245262 1998 63.9506949775 1999 62.2222978159 2000 57.6132387184 2001 55.8781371504 2002 54.124627611 2003 59.061811145 2004 64.9548437777 2005 76.3 2006 82.7 2007 88.8 2008 104 2009 95 2010 106 2011 125.7 2012 116.1 2013 113.4 2014 112.5 2015 100 2016 101.4 2017 104.6 2018 106.1 2019 101 2020 101.7 2021 117.2 2022 137.6