Year 2014-2016 = 100 1961 16.83 1962 22.02 1963 24.75 1964 25.48 1965 27.97 1966 23.35 1967 24.27 1968 36.73 1969 27.44 1970 28.1 1971 34.03 1972 30.82 1973 28.16 1974 33.5 1975 30.67 1976 35.31 1977 27.29 1978 33.98 1979 35.24 1980 34.41 1981 29.02 1982 38.75 1983 33.02 1984 35.87 1985 41.08 1986 50.92 1987 43.89 1988 54.23 1989 59.97 1990 54.26 1991 64.7 1992 45.21 1993 46.19 1994 64.13 1995 39.22 1996 72.19 1997 55.5 1998 67.58 1999 59.46 2000 50.6 2001 57.69 2002 63.73 2003 78.78 2004 78.85 2005 70.26 2006 88.95 2007 68.37 2008 77.46 2009 96.59 2010 96.81 2011 99.43 2012 91.87 2013 101.51 2014 101.96 2015 110.39 2016 87.66 2017 107.35 2018 117.05 2019 108.12 2020 93.14 2021 118.58 2022 106.83