Year 2014-2016 = 100 1961 12.59 1962 12.36 1963 12.34 1964 14.21 1965 15.16 1966 14.83 1967 15.33 1968 15.44 1969 15.39 1970 16.78 1971 16.56 1972 16.32 1973 16.01 1974 17.14 1975 16.7 1976 17.89 1977 20.08 1978 20.06 1979 21.07 1980 21.33 1981 22.68 1982 24.07 1983 24.73 1984 26.37 1985 28.31 1986 26.55 1987 29.7 1988 32.46 1989 35.63 1990 36.04 1991 31.76 1992 33.74 1993 36.76 1994 35.08 1995 37.36 1996 39.24 1997 43.87 1998 45.26 1999 44.73 2000 41.39 2001 47.34 2002 48.68 2003 54.01 2004 53.01 2005 54.57 2006 58.48 2007 68.09 2008 66.9 2009 57.92 2010 80.39 2011 84.42 2012 62.4 2013 92.89 2014 99.6 2015 98.81 2016 101.59 2017 110.54 2018 110.22 2019 102.2 2020 116.83 2021 110.12 2022 85.44