Year 2014-2016 = 100 1961 6.47 1962 7.23 1963 7.75 1964 8.23 1965 8.69 1966 9.32 1967 10.04 1968 11.08 1969 11.86 1970 11.74 1971 12.87 1972 13.27 1973 6.16 1974 6.84 1975 6.51 1976 6.18 1977 14.16 1978 16.47 1979 18.41 1980 17.15 1981 20.23 1982 20.88 1983 21.38 1984 22.92 1985 24.08 1986 26.76 1987 27.75 1988 29.41 1989 35.89 1990 41.17 1991 51.36 1992 56.87 1993 57.16 1994 58.24 1995 65.94 1996 69.98 1997 78.32 1998 64.9 1999 70.26 2000 74.16 2001 56.01 2002 64.81 2003 58.69 2004 60.98 2005 58.42 2006 61.48 2007 71.01 2008 62.34 2009 71.33 2010 70.29 2011 74.4 2012 78.58 2013 97.01 2014 80.85 2015 113.19 2016 105.96 2017 105.98 2018 141.17 2019 136.27 2020 159.38 2021 169.63 2022 145.71