Year 2014-2016 = 100 1961 43.88 1962 48.22 1963 49.66 1964 53.23 1965 57.95 1966 59.72 1967 57.94 1968 39.34 1969 39.29 1970 31.36 1971 26.61 1972 24.76 1973 23.85 1974 25.05 1975 26.23 1976 30.92 1977 30.03 1978 35 1979 40.33 1980 55.22 1981 34.09 1982 32.41 1983 30.43 1984 40.74 1985 36.16 1986 52.39 1987 84.33 1988 78.84 1989 78.12 1990 68.5 1991 55.27 1992 50.74 1993 50.82 1994 45.59 1995 46.1 1996 52.06 1997 49.68 1998 52.39 1999 75.22 2000 99.6 2001 97.26 2002 88.87 2003 92.57 2004 91.17 2005 87.86 2006 89.17 2007 98.97 2008 91.43 2009 89.68 2010 87.65 2011 100.06 2012 104.42 2013 109.56 2014 100.53 2015 101.41 2016 98.06 2017 91.26 2018 72.04 2019 70.18 2020 69.34 2021 70.52 2022 66.15