Year 2014-2016 = 100 1961 13.85 1962 14.33 1963 15.17 1964 15.44 1965 15.98 1966 16.63 1967 17.05 1968 18.17 1969 18.29 1970 19.39 1971 19.9 1972 21.44 1973 22.5 1974 23.43 1975 25.24 1976 26.4 1977 25.86 1978 25.82 1979 26.29 1980 29.5 1981 29.97 1982 30.52 1983 25.65 1984 29.77 1985 32.99 1986 32.53 1987 34.14 1988 35.67 1989 36.35 1990 37.24 1991 38.74 1992 37.79 1993 40.59 1994 43.43 1995 46.82 1996 48.37 1997 49.84 1998 51.75 1999 52.4 2000 54.71 2001 55.36 2002 57.97 2003 60.84 2004 60.88 2005 64.82 2006 68.88 2007 73.22 2008 74.43 2009 79.67 2010 78.67 2011 80.5 2012 89.26 2013 93.43 2014 96.04 2015 101.79 2016 102.17 2017 101.63 2018 109.51 2019 109.9 2020 109.48 2021 116.96 2022 115.45