Year 2014-2016 = 100 1961 19.55 1962 20.56 1963 21.7 1964 24.09 1965 23.45 1966 23.98 1967 26.83 1968 28.94 1969 31.12 1970 33.58 1971 34.18 1972 33.91 1973 34.3 1974 34.44 1975 39.47 1976 42.31 1977 43.67 1978 46.61 1979 42.51 1980 34.46 1981 34.15 1982 37.27 1983 34.84 1984 35.86 1985 32.87 1986 32.73 1987 30.02 1988 30.36 1989 33.51 1990 36.51 1991 36.58 1992 37.46 1993 38.84 1994 39.75 1995 42.62 1996 44.02 1997 45.3 1998 47.04 1999 53.31 2000 58.19 2001 57.18 2002 59.11 2003 67.79 2004 64.65 2005 72.33 2006 71.92 2007 76.21 2008 76.36 2009 83.34 2010 83.81 2011 91.18 2012 94.92 2013 97.53 2014 97.38 2015 96.91 2016 105.71 2017 115.76 2018 116.47 2019 118.69 2020 122.95 2021 128.13 2022 127.92