Year 2014-2016 = 100 1961 31.59 1962 32.66 1963 32.76 1964 33.16 1965 33.63 1966 34.43 1967 35.07 1968 36.23 1969 36.37 1970 37.37 1971 38.36 1972 39.07 1973 39.92 1974 40.56 1975 40.92 1976 42.22 1977 45.8 1978 48.97 1979 51.23 1980 53.55 1981 51.98 1982 53.83 1983 55.47 1984 56.98 1985 57.86 1986 60.12 1987 60.89 1988 63.24 1989 64.17 1990 63.22 1991 70 1992 67.63 1993 66.13 1994 67.04 1995 67.95 1996 70.67 1997 71.84 1998 74.77 1999 74 2000 77.05 2001 75.72 2002 77.26 2003 77.85 2004 77.63 2005 78 2006 78.16 2007 80.06 2008 83.41 2009 85.4 2010 88.13 2011 92.77 2012 91.95 2013 96.58 2014 99.11 2015 100.04 2016 100.85 2017 102.19 2018 102.81 2019 103.98 2020 103.84 2021 104.82 2022 105.76