Year 2014-2016 = 100 1961 4.66 1962 7.77 1963 7.12 1964 5.73 1965 4.63 1966 5.09 1967 4.98 1968 5.7 1969 6.54 1970 7.38 1971 8.34 1972 6.56 1973 7.16 1974 10.47 1975 9.12 1976 10.24 1977 11.13 1978 9.8 1979 10.95 1980 14.65 1981 16.44 1982 18.06 1983 18.7 1984 20.02 1985 30.79 1986 23.88 1987 16.71 1988 13.37 1989 16.46 1990 12.27 1991 14.71 1992 23 1993 22.66 1994 24.44 1995 24.43 1996 19.55 1997 28.24 1998 34.62 1999 44.16 2000 50.11 2001 59.15 2002 66.66 2003 64.5 2004 60.43 2005 41.94 2006 78.06 2007 82.34 2008 85.06 2009 85.2 2010 89.42 2011 96.67 2012 98.59 2013 107.37 2014 99.77 2015 97 2016 103.23 2017 99.38 2018 101.93 2019 101.41 2020 109.18 2021 120.03 2022 123.11