Year 2015 = 100 1980 55.1418090326 1981 59.02185166 1982 56.3705731723 1983 33.0371054339 1984 38.9980403079 1985 44.6169051101 1986 44.3440135241 1987 46.1189501534 1988 54.8187881184 1989 33.250945353 1990 30.2798851733 1991 45.5419482699 1992 55.7437205586 1993 49.5812375851 1994 36.0477100682 1995 41.6173306499 1996 34.3796633509 1997 54.466322499 1998 61.64325474 1999 56.8591586135 2000 64.2523063679 2001 72.8790774518 2002 51.8190753616 2003 36.2748524508 2004 61.0909936312 2005 84.6195658046 2006 114.9409299152 2007 151.5528567117 2008 149.42847551 2009 134.3207352348 2010 118.969465354 2011 134.3337913034 2012 144.088279739 2013 135.4458945094 2014 120.4535883215 2015 100 2016 49.5479615276 2017 32.035692304 2018 33.7365263757 2019 16.6944379249 2020 19.3217921177 2021 20.5239396174