Year 2014-2016 = 100 1961 35.26 1962 36.34 1963 37.31 1964 38.46 1965 40.01 1966 41.23 1967 42.57 1968 44.88 1969 42.5 1970 42.91 1971 44.71 1972 40.84 1973 37.08 1974 34.33 1975 36.95 1976 40.58 1977 43.29 1978 45.87 1979 46.81 1980 49.28 1981 50.44 1982 49.73 1983 48.87 1984 45.98 1985 48.43 1986 51.72 1987 52.59 1988 53.98 1989 56.87 1990 58.94 1991 57.49 1992 55.19 1993 49.38 1994 51.67 1995 52.61 1996 56.7 1997 59.15 1998 62.86 1999 64.45 2000 72.46 2001 75.12 2002 78.68 2003 80.3 2004 82.27 2005 83.76 2006 83.63 2007 83.64 2008 81.9 2009 83.01 2010 87.81 2011 90 2012 92.89 2013 95.22 2014 95.56 2015 101.31 2016 103.13 2017 101.21 2018 102.92 2019 105.04 2020 106.43 2021 107.69 2022 109.19