Year 2014-2016 = 100 1961 27.78 1962 29.74 1963 34.02 1964 37.85 1965 38.75 1966 36.64 1967 37.13 1968 39.21 1969 38.66 1970 38.82 1971 41.66 1972 40.97 1973 40.96 1974 40.92 1975 42.19 1976 42.08 1977 40.67 1978 39.66 1979 40.38 1980 43.66 1981 45.59 1982 43.76 1983 45.8 1984 48.68 1985 48.94 1986 39.83 1987 43.71 1988 41.82 1989 42.77 1990 46.08 1991 49.48 1992 53.73 1993 56.67 1994 61.5 1995 63.13 1996 61.46 1997 62.14 1998 54.25 1999 53.13 2000 58.07 2001 62.46 2002 63.11 2003 64.58 2004 65.73 2005 67.13 2006 61.26 2007 65.43 2008 66.68 2009 68.66 2010 73.41 2011 71.35 2012 88.85 2013 91.88 2014 92.18 2015 98.63 2016 109.18 2017 113.45 2018 120.74 2019 123.02 2020 121.59 2021 128.88 2022 125.14