Year 2014-2016 = 100 1961 18.45 1962 19.26 1963 19.94 1964 20.79 1965 21.24 1966 21.42 1967 22.02 1968 22.64 1969 23.44 1970 24.15 1971 24.16 1972 24.28 1973 24.05 1974 24.58 1975 25.14 1976 26.32 1977 26.71 1978 30.58 1979 31.45 1980 22.59 1981 23.11 1982 23.94 1983 24.69 1984 24.98 1985 27.55 1986 28.56 1987 29.45 1988 30.73 1989 31.36 1990 33.14 1991 28.42 1992 29.41 1993 30.77 1994 33.98 1995 35.28 1996 38.89 1997 42.6 1998 43.35 1999 44.85 2000 46.47 2001 47.29 2002 49.02 2003 51.81 2004 52.74 2005 55.07 2006 55.91 2007 56.94 2008 60.65 2009 57.98 2010 60.74 2011 66.21 2012 71.61 2013 83.42 2014 94.13 2015 101.1 2016 104.77 2017 122.5 2018 124.46 2019 123.94 2020 136.86 2021 146.31 2022 153.13