Year 2014-2016 = 100 1961 36.42 1962 37.88 1963 38.92 1964 40.27 1965 42.99 1966 42.93 1967 44.94 1968 47.34 1969 48.16 1970 50.18 1971 52.3 1972 53.57 1973 55.34 1974 56.89 1975 56.85 1976 48.64 1977 51.9 1978 53.27 1979 55.05 1980 56.53 1981 57.85 1982 57.51 1983 57.01 1984 58.53 1985 60.89 1986 58.11 1987 57.23 1988 59.65 1989 60.46 1990 71 1991 61.34 1992 65.17 1993 70.84 1994 73.88 1995 81.49 1996 83.81 1997 84.12 1998 83.51 1999 84.9 2000 85.1 2001 81.95 2002 73.63 2003 65.37 2004 68.64 2005 72.94 2006 61.15 2007 66.9 2008 72.85 2009 75.53 2010 75.13 2011 82.51 2012 95.51 2013 97.97 2014 108.9 2015 94.31 2016 96.78 2017 113.14 2018 122.81 2019 111.27 2020 117.43 2021 132.86 2022 153.35