Year 2014-2016 = 100 1961 17.43 1962 17.37 1963 17.92 1964 17.21 1965 18.06 1966 19.43 1967 20.48 1968 21.46 1969 21.64 1970 23.95 1971 25.41 1972 26.28 1973 25.87 1974 26.06 1975 26.61 1976 28.3 1977 29.69 1978 30.92 1979 31.8 1980 32.18 1981 31.24 1982 32.59 1983 33.32 1984 37.94 1985 38.97 1986 41.19 1987 44.25 1988 48.06 1989 49.91 1990 52.4 1991 53.96 1992 54.24 1993 55.74 1994 54.71 1995 55.79 1996 59.45 1997 57.85 1998 60.97 1999 65.56 2000 65.02 2001 68.58 2002 66.53 2003 66.95 2004 70.51 2005 72.23 2006 74.37 2007 75.9 2008 81.96 2009 81.11 2010 77.68 2011 79.86 2012 75.96 2013 82.35 2014 91.08 2015 97.71 2016 111.21 2017 109.63 2018 114.75 2019 101.23 2020 94.41 2021 105.76 2022 110.47