Year 2014-2016 = 100 1961 16.98 1962 17.87 1963 17.71 1964 17.21 1965 21.06 1966 18.94 1967 20.89 1968 20.69 1969 21.38 1970 21.66 1971 23.56 1972 24.31 1973 22.97 1974 25.7 1975 25.86 1976 26.1 1977 28.73 1978 27.48 1979 29.02 1980 31.92 1981 33.74 1982 33.79 1983 33.8 1984 36.56 1985 40.94 1986 37.62 1987 42.29 1988 42.41 1989 44.3 1990 41.03 1991 41.89 1992 44.32 1993 43.62 1994 47.23 1995 48.36 1996 45.54 1997 48.73 1998 49.63 1999 52.84 2000 53.96 2001 57.21 2002 60.96 2003 66.32 2004 68.9 2005 67.94 2006 71.56 2007 77.72 2008 84.38 2009 82.14 2010 87.79 2011 93.54 2012 90.56 2013 97.26 2014 98.65 2015 102.82 2016 98.53 2017 109.59 2018 109.91 2019 112.23 2020 116.58 2021 115.35 2022 115.91