Year 2015 = 100 1980 40.3893405237 1981 41.8580438154 1982 43.3267471072 1983 46.2641536908 1984 46.2641536908 1985 41.1236921696 1986 47.7328569825 1987 49.2015602743 1988 49.2015602743 1989 40.3893405237 1990 49.9359119202 1991 45.5298020449 1992 46.9985053366 1993 46.2641536908 1994 53.6076701496 1995 60.2168349626 1996 61.6855382543 1997 60.9511866085 1998 66.0916481297 1999 64.6229448379 2000 73.4351645885 2001 63.6384286592 2002 60.7633852883 2003 64.8843194688 2004 66.6011608867 2005 73.1 2006 76.4 2007 82.9 2008 88 2009 83.3 2010 90 2011 104.3 2012 105.6 2013 105.4 2014 112.4 2015 100 2016 92.9 2017 92.6 2018 91.1 2019 87.5 2020 87.1 2021 97.2 2022 111