Year 2015 = 100 1980 72.6948631544 1981 61.1297712889 1982 69.9412698531 1983 67.7383952121 1984 61.1297712889 1985 73.2455818147 1986 85.9121110007 1987 87.0135483212 1988 77.6513310967 1989 78.202049757 1990 101.332233488 1991 72.6948631544 1992 74.3470191352 1993 71.5934258339 1994 58.3761779876 1995 70.4919885134 1996 71.5934258339 1997 60.5790526287 1998 62.7819272697 1999 61.6804899492 2000 55.0718660261 2001 54.2290380763 2002 54.1945301387 2003 57.2165209483 2004 60.6511711097 2005 91.4 2006 98.7 2007 91.3 2008 87.5 2009 75 2010 78.4 2011 100.1 2012 100.4 2013 99 2014 98 2015 100 2016 100.1 2017 102.1 2018 105.4 2019 103.7 2020 98.3 2021 111.6 2022 131.2