Year 2014-2016 = 100 1961 41.5 1962 42.52 1963 37.3 1964 43.06 1965 42.57 1966 44.06 1967 43.27 1968 39.11 1969 44.44 1970 42.5 1971 45.3 1972 39.52 1973 38 1974 47.8 1975 46 1976 41.61 1977 47.57 1978 51.21 1979 44.65 1980 46.45 1981 48.73 1982 48.48 1983 42.88 1984 44.73 1985 43.3 1986 45.17 1987 41.36 1988 39.16 1989 37.11 1990 33.43 1991 40.88 1992 44.13 1993 47.23 1994 51.3 1995 61.39 1996 62.45 1997 65.05 1998 58.84 1999 64.29 2000 58.84 2001 61.91 2002 60.83 2003 64.31 2004 63.19 2005 53.94 2006 57.19 2007 56.55 2008 56.64 2009 60.7 2010 62.39 2011 65.96 2012 64.78 2013 75.43 2014 93.13 2015 112.19 2016 94.67 2017 105.54 2018 106.77 2019 107.89 2020 109.88 2021 97.56 2022 105.61