Year 2014-2016 = 100 1961 38.84 1962 39.43 1963 39.64 1964 47.83 1965 51.07 1966 46.9 1967 44.69 1968 47.23 1969 46.23 1970 46.05 1971 45.05 1972 42.5 1973 42.58 1974 47.28 1975 47.71 1976 47.46 1977 49.74 1978 45.35 1979 44.62 1980 48.31 1981 48.25 1982 46.82 1983 38.96 1984 43.73 1985 49.33 1986 50.21 1987 52.02 1988 57.48 1989 58.03 1990 61.21 1991 53.88 1992 66.83 1993 69.84 1994 78.94 1995 75.6 1996 80.77 1997 84.34 1998 72.26 1999 87.98 2000 72.21 2001 85.6 2002 77.38 2003 84.39 2004 87.81 2005 86.59 2006 85.72 2007 89.49 2008 92.54 2009 100.2 2010 102.99 2011 96.97 2012 94.01 2013 85.92 2014 99.16 2015 106.98 2016 93.86 2017 98 2018 94.23 2019 96.2 2020 97.08 2021 104.34 2022 100.03