Year 2014-2016 = 100 1961 16.93 1962 18.31 1963 17.38 1964 18.43 1965 18.18 1966 18.73 1967 17.97 1968 20.75 1969 21.04 1970 22.22 1971 22.82 1972 22.71 1973 24.61 1974 25.62 1975 25.16 1976 25.08 1977 26.09 1978 27.92 1979 29.16 1980 31.41 1981 33.74 1982 33 1983 35.47 1984 38.55 1985 39.32 1986 41.33 1987 41.81 1988 44.26 1989 46.35 1990 47.83 1991 49.25 1992 52.79 1993 53.4 1994 53.3 1995 58.73 1996 59.86 1997 57.03 1998 58.5 1999 59.7 2000 61.34 2001 62.33 2002 65.49 2003 70.06 2004 73.48 2005 76.85 2006 79.15 2007 79.61 2008 84.3 2009 86.83 2010 92.62 2011 94.46 2012 99.52 2013 100.34 2014 99.7 2015 101.32 2016 98.98 2017 108.58 2018 112.99 2019 107.87 2020 108.22 2021 108.64 2022 111.41