Year 2014-2016 = 100 1961 17.63 1962 20.64 1963 22.29 1964 22.8 1965 24.97 1966 22.18 1967 23.16 1968 31.99 1969 25.93 1970 26.51 1971 30.57 1972 28.89 1973 27.09 1974 30.49 1975 27.93 1976 30.62 1977 26.15 1978 31.3 1979 32.82 1980 32.52 1981 30.08 1982 36.45 1983 31.83 1984 33.43 1985 36.7 1986 44.56 1987 41.86 1988 50.25 1989 56.03 1990 51.86 1991 58.36 1992 45.76 1993 45.98 1994 57.45 1995 41.32 1996 62.87 1997 55 1998 62.09 1999 58.34 2000 52.49 2001 57.73 2002 62.82 2003 72.38 2004 72.87 2005 68.64 2006 81.6 2007 68.93 2008 76.14 2009 90.19 2010 92.59 2011 96.03 2012 92.22 2013 98.4 2014 99.96 2015 108.01 2016 92.03 2017 108.67 2018 115.89 2019 110.86 2020 99.7 2021 116.58 2022 106.07