Year 2014-2016 = 100 1961 19.07 1962 19.61 1963 19.53 1964 21.45 1965 21.57 1966 23.37 1967 24.1 1968 22.67 1969 25 1970 26.96 1971 27.79 1972 26.53 1973 26.55 1974 27.55 1975 27.48 1976 27.96 1977 28.36 1978 27.24 1979 27.32 1980 25.67 1981 28.18 1982 29.53 1983 28.17 1984 30.06 1985 30.09 1986 30.94 1987 34.13 1988 35.78 1989 34.53 1990 31.64 1991 33.09 1992 31.33 1993 33.81 1994 37.59 1995 40.29 1996 43.69 1997 47.51 1998 47.87 1999 53.7 2000 56.13 2001 55.83 2002 59.35 2003 60.82 2004 60.62 2005 64.25 2006 69.73 2007 71.41 2008 77.74 2009 79.81 2010 83.84 2011 86.92 2012 91.99 2013 94.72 2014 97.76 2015 99.02 2016 103.23 2017 103.96 2018 112.1 2019 116.69 2020 118.74 2021 123.55 2022 128.07