Year 2014-2016 = 100 1961 33.05 1962 33.86 1963 34.45 1964 35.33 1965 36.3 1966 36.51 1967 39.86 1968 39.55 1969 38.92 1970 38.56 1971 39.55 1972 37.87 1973 39.18 1974 38.48 1975 39.44 1976 40.22 1977 41.59 1978 40.03 1979 40.84 1980 42.17 1981 43.93 1982 46.42 1983 45.62 1984 47.63 1985 49.77 1986 48.02 1987 49.18 1988 51.01 1989 49.94 1990 49.46 1991 47.56 1992 48.53 1993 49.37 1994 53.02 1995 57.12 1996 59.3 1997 59.2 1998 57.53 1999 61.96 2000 63.4 2001 64.77 2002 65.17 2003 66.98 2004 70.13 2005 73.38 2006 76.04 2007 78.44 2008 82.35 2009 85.48 2010 83.76 2011 85.11 2012 89.36 2013 91.84 2014 100.98 2015 100.53 2016 98.49 2017 99.12 2018 100.7 2019 100.5 2020 101.45 2021 104.78 2022 105.92