Year 2015 = 100 1980 47.1137908729 1981 49.4932752604 1982 48.0655846279 1983 44.7343064854 1984 43.7825127304 1985 49.0173783829 1986 52.8245534029 1987 57.1076253005 1988 58.0594190555 1989 64.7219753405 1990 69.0050472381 1991 72.8122222581 1992 79.9506754207 1993 84.7096441957 1994 62.342490953 1995 66.149665973 1996 64.246078463 1997 66.6255628506 1998 59.0112128105 1999 52.3486565254 2000 47.5896877504 2001 46.3614500441 2002 44.8642829504 2003 46.2691277155 2004 50.3137787752 2005 59.9 2006 66.2 2007 71.5 2008 97.2 2009 101.7 2010 149 2011 172.4 2012 151.4 2013 154.5 2014 134.1 2015 100 2016 98.1 2017 111.3 2018 112.4 2019 122.8 2020 134.9 2021 170 2022 154.1