Year 2014-2016 = 100 1961 26.38 1962 26.48 1963 27.42 1964 28 1965 28.96 1966 30.92 1967 34.95 1968 33.84 1969 35.57 1970 43.54 1971 37.7 1972 38.26 1973 40.44 1974 41.68 1975 43.65 1976 45.39 1977 55.61 1978 55.73 1979 57.21 1980 58.27 1981 56.09 1982 52.58 1983 51.65 1984 60.95 1985 62.64 1986 67.66 1987 66.79 1988 68.23 1989 73.45 1990 74.99 1991 76.72 1992 76.33 1993 73.93 1994 75.81 1995 80.57 1996 70.87 1997 71.4 1998 72.44 1999 79.54 2000 79.26 2001 84.33 2002 79.81 2003 79.17 2004 82.04 2005 84.28 2006 81.12 2007 86.25 2008 87.73 2009 94.42 2010 91.76 2011 89.84 2012 93.3 2013 76.77 2014 81.57 2015 110.92 2016 107.51 2017 103.76 2018 108.95 2019 105.93 2020 105.49 2021 107.91 2022 104.41