Year 2014-2016 = 100 1961 19.62 1962 20.54 1963 19.65 1964 19.92 1965 20.22 1966 20.38 1967 21.52 1968 22.34 1969 23.06 1970 23.75 1971 24.26 1972 25.16 1973 26.07 1974 26.81 1975 27.06 1976 28.88 1977 29.94 1978 31.96 1979 32.7 1980 32.54 1981 33.95 1982 35.78 1983 36.93 1984 38.13 1985 39.17 1986 41.6 1987 42.16 1988 42.5 1989 45.59 1990 48.54 1991 50.87 1992 54.28 1993 57.06 1994 59.91 1995 60.67 1996 63.98 1997 66.75 1998 68.67 1999 68.8 2000 73.28 2001 75.51 2002 77.64 2003 80.65 2004 84.39 2005 89.3 2006 93.37 2007 98.82 2008 88.98 2009 91.06 2010 93.76 2011 96.05 2012 101.44 2013 103.97 2014 107.02 2015 97.34 2016 95.64 2017 96.02 2018 93.37 2019 91.66 2020 98.8 2021 102.36 2022 99.85