Year 2014-2016 = 100 1961 44.85 1962 46.87 1963 46.57 1964 47.71 1965 50.54 1966 54.57 1967 54.86 1968 57.18 1969 57.99 1970 65.66 1971 68.65 1972 68.57 1973 70.27 1974 73.65 1975 71.49 1976 74.46 1977 76.48 1978 75.86 1979 76.04 1980 78.48 1981 79.82 1982 80.97 1983 81.21 1984 85.9 1985 87.13 1986 88.06 1987 89.51 1988 91.37 1989 90.32 1990 60 1991 44.68 1992 50.57 1993 49.77 1994 40.67 1995 40.89 1996 50.05 1997 69.34 1998 76.31 1999 83.88 2000 88.41 2001 86.5 2002 84.59 2003 84.04 2004 87.3 2005 90.71 2006 87.51 2007 100.98 2008 97.42 2009 90.28 2010 91.79 2011 93.96 2012 99.98 2013 95.93 2014 90.47 2015 97.33 2016 112.21 2017 94.53 2018 99.78 2019 106.06 2020 108.58 2021 111.76 2022 115.6