Year 2014-2016 = 100 1961 16.93 1962 17.83 1963 19.27 1964 21.59 1965 21.24 1966 20.7 1967 21 1968 25.23 1969 27.63 1970 25.79 1971 26.54 1972 29.24 1973 30.3 1974 26.86 1975 27.15 1976 30.89 1977 31.31 1978 32.65 1979 32.55 1980 33.33 1981 34.49 1982 36.97 1983 38.9 1984 45.39 1985 49.06 1986 51.86 1987 54.36 1988 52.1 1989 49.69 1990 58.21 1991 56.6 1992 60.08 1993 61.15 1994 71.37 1995 73.54 1996 73.59 1997 72.39 1998 70.21 1999 71.28 2000 77.38 2001 72.85 2002 74.64 2003 72.1 2004 79.25 2005 78.69 2006 76.61 2007 82.78 2008 87.79 2009 89.5 2010 89.43 2011 91.15 2012 90.28 2013 92.74 2014 101.36 2015 96.04 2016 102.6 2017 93.53 2018 103.18 2019 106.2 2020 108.93 2021 104.93 2022 108.2