Year 2015 = 100 1980 12.7590942307 1981 10.918797137 1982 8.9201417225 1983 7.9857476812 1984 10.9182310898 1985 8.3425035728 2000 27.8750397226 2001 28.092991787 2002 30.6611763405 2003 30.188928233 2004 34.4179214792 2005 33.5112938681 2006 38.5909385515 2007 44.6202556774 2008 50.8700520467 2009 56.5513879644 2010 78.5741541649 2011 95.6420062548 2012 110.5529807899 2013 113.7293315591 2014 111.4400279417 2015 100 2016 96.0231834297 2017 91.2530365946 2018 92.5967767734 2019 102.0277360079 2020 89.6153596413 2021 61.9352852219