Year 2014-2016 = 100 1961 22.96 1962 24.43 1963 25.29 1964 25.95 1965 26.55 1966 25.51 1967 25.78 1968 26.42 1969 27.31 1970 28.92 1971 31.39 1972 30.32 1973 29.48 1974 29.32 1975 31.93 1976 35.91 1977 36.4 1978 36.56 1979 38.52 1980 38.83 1981 41.26 1982 40.67 1983 40.2 1984 42.41 1985 43.02 1986 44.3 1987 44.96 1988 49.35 1989 53.14 1990 57.21 1991 57.94 1992 54.66 1993 56.7 1994 59.83 1995 65.05 1996 65.4 1997 66.95 1998 68.85 1999 67.42 2000 70.61 2001 71.3 2002 72.17 2003 72.44 2004 75.32 2005 79.23 2006 84.84 2007 87.13 2008 94.27 2009 85.89 2010 85.57 2011 88.95 2012 94.3 2013 96.72 2014 98.52 2015 101.26 2016 100.22 2017 104.93 2018 69 2019 106.81 2020 107.16 2021 109.69 2022 110.33