Year 2014-2016 = 100 1961 41.43 1962 42.59 1963 41.83 1964 43.27 1965 38.24 1966 40.83 1967 39.94 1968 38.55 1969 45.53 1970 47.59 1971 50.29 1972 50.99 1973 54.74 1974 54.77 1975 52.08 1976 57.87 1977 57.08 1978 58.91 1979 56.34 1980 55.54 1981 56.42 1982 60.26 1983 62.25 1984 61.63 1985 58.29 1986 58.43 1987 60.77 1988 59.25 1989 61.02 1990 47.62 1991 46.23 1992 48.99 1993 49.01 1994 46.05 1995 48.44 1996 50.05 1997 51.5 1998 49.99 1999 48.82 2000 51.24 2001 56.48 2002 58.59 2003 62.86 2004 57.58 2005 56.01 2006 62.67 2007 62 2008 55.98 2009 64.79 2010 71.08 2011 79.02 2012 82.1 2013 88.7 2014 97.53 2015 98.71 2016 103.76 2017 109.76 2018 118.35 2019 120.86 2020 117.58 2021 119.04 2022 136.2