Year 2010 = 100 1972 20.0610574734572 1973 21.7194382244626 1974 24.5413603090623 1975 26.6009622096538 1976 27.9935339493365 1977 30.7619598806235 1978 33.4350957890118 1979 35.7922700418864 1980 38.2720396463218 1981 41.0945189825106 1982 44.2903568882881 1983 46.3800503751571 1984 46.9261569397109 1985 47.6255076931861 1986 48.079667744599 1987 48.3945148966123 1988 49.1050106821288 1989 50.7461166337726 1990 55.7363046802826 1991 60.7850041444234 1992 60.4534394445156 1993 60.6846988570564 1994 62.2227132633509 1995 63.8944680528015 1996 66.1652683084719 1997 66.6166421016236 1998 66.7030160990785 1999 68.6979768144897 2000 69.9434341326304 2001 70.8526987763546 2002 71.4821896835482 2003 72.1693839239013 2004 73.070465185832 2005 76.0977569019605 2006 78.4240755212118 2007 82.7255967203686 2008 91.4802065404475 2009 95.697074010327 2010 100 2011 104.83940349871 2012 108.252079151133 2013 111.155721250358 2014 114.389159736163 2015 118.131631775165 2016 121.909951247491 2017 124.557631780803 2018 125.234145567617 2019 126.601512114575 2020 129.262333503248 2021 133.68779685455 2022 139.009439631897 2023 144.072391440901