Year 2014-2016 = 100 1961 24.49 1962 25.18 1963 26.04 1964 26.6 1965 27.09 1966 28.92 1967 30.04 1968 31.97 1969 34.02 1970 35.19 1971 36.54 1972 38.15 1973 37.85 1974 40.03 1975 40.92 1976 45.33 1977 44.31 1978 46.45 1979 50.81 1980 66.61 1981 57.27 1982 53.27 1983 56.55 1984 61.78 1985 64.46 1986 68.19 1987 67.8 1988 67.4 1989 69.6 1990 77.68 1991 86.18 1992 86.8 1993 88.33 1994 91.1 1995 90.34 1996 92.28 1997 93.67 1998 95.26 1999 100.08 2000 113.84 2001 114.95 2002 115.72 2003 114.62 2004 98.6 2005 110.31 2006 88.46 2007 115.22 2008 116.87 2009 117.81 2010 118.04 2011 119.69 2012 123.38 2013 121.62 2014 102.73 2015 83.93 2016 113.34 2017 126.72 2018 131.71 2019 136.62 2020 139.83 2021 135.35 2022 133