Year 2014-2016 = 100 1961 12.41 1962 13.21 1963 13.61 1964 14.09 1965 14.37 1966 14.14 1967 14.73 1968 16.28 1969 17.11 1970 18.1 1971 18.48 1972 19.55 1973 20.28 1974 20.79 1975 21.21 1976 23.01 1977 23.61 1978 23.35 1979 21.84 1980 24 1981 25.77 1982 27.03 1983 26.43 1984 26.95 1985 27.74 1986 28.38 1987 29.64 1988 30.13 1989 33.54 1990 35.95 1991 35.84 1992 36.63 1993 38.2 1994 39.66 1995 43.31 1996 45.73 1997 47.55 1998 49.23 1999 49.81 2000 50.7 2001 53.98 2002 58.2 2003 59.01 2004 61.38 2005 62.82 2006 64.74 2007 70.57 2008 71.13 2009 76.23 2010 75.99 2011 78.43 2012 83.64 2013 87.69 2014 96.82 2015 100.54 2016 102.64 2017 100.06 2018 103.54 2019 101.56 2020 105.99 2021 107.03 2022 107.89