Year 2015 = 100 1980 20.1963538403 1981 17.8521660171 1982 22.2114164238 1983 20.2199405158 1984 19.4046777908 1985 28.720036567 1986 29.1122993913 1987 29.5784637569 1988 39.3061510548 1989 60.139584059 1990 61.0545423864 1991 48.5250213653 1992 45.2568033416 1993 47.2125820785 1994 44.7281756464 1995 43.4485782297 1996 47.0010992301 1997 53.2373039725 1998 50.2090386885 1999 46.9728505317 2000 50.9367629038 2001 50.4590451533 2002 51.0318211926 2003 60.5704578818 2004 62.1432182005 2005 66.5265264223 2006 69.5818144689 2007 78.1100997346 2008 86.2763728929 2009 76.6429517001 2010 85.5734122013 2011 86.1416748512 2012 86.2878235791 2013 107.1237668846 2014 102.4288481257 2015 100 2016 108.3179934513 2017 103.62341332 2018 102.3880869999 2019 88.394717745 2020 90.3920099538 2021 87.8324005359