Year 2014-2016 = 100 1961 23.08 1962 23.43 1963 26.54 1964 28.47 1965 27.14 1966 30.99 1967 31.86 1968 33.39 1969 35.24 1970 39.12 1971 38.94 1972 40.18 1973 43.69 1974 47.11 1975 47.81 1976 49.56 1977 51.67 1978 51.98 1979 53.62 1980 58.97 1981 60.87 1982 62.54 1983 62.86 1984 63.14 1985 62.63 1986 62.17 1987 64.14 1988 67.1 1989 65.81 1990 68.61 1991 71.38 1992 70.87 1993 70.74 1994 70.32 1995 72.11 1996 75.31 1997 77.23 1998 84.73 1999 85.91 2000 87.04 2001 90.24 2002 92.97 2003 94.92 2004 92.76 2005 90.97 2006 91.55 2007 91.93 2008 94.32 2009 89.03 2010 91.57 2011 94.79 2012 94.11 2013 90.89 2014 94.48 2015 99.8 2016 105.71 2017 106.96 2018 110.28 2019 113.83 2020 118.3 2021 119.84 2022 118.7