Year 2015 = 100 1980 63.9673457493 1981 44.684984271 1982 32.6377694381 1983 40.0416165616 1984 43.2622870968 1985 37.3046138978 1986 34.711500166 1987 47.8609551945 1988 58.4562839729 2000 68.4205412601 2001 63.5976553539 2002 61.967715966 2003 70.331580756 2004 76.3936344854 2005 86.2557368186 2006 91.8571751854 2007 94.0793798767 2008 98.6636303774 2009 91.8601483316 2010 96.3886706435 2011 106.3683264456 2012 122.7301980631 2013 120.4227092196 2014 112.8020744232 2015 100 2016 101.6069968789 2017 98.7000186791 2018 103.2877662906 2019 100.1126258898 2020 83.4011810008 2021 82.5864049746