Year 2014-2016 = 100 1961 30.3 1962 32.97 1963 31.12 1964 33.26 1965 33.64 1966 34.77 1967 35.44 1968 37.61 1969 37.73 1970 39.25 1971 39.63 1972 41.02 1973 43.82 1974 46.23 1975 50.61 1976 51.39 1977 54.28 1978 59 1979 60.1 1980 61.25 1981 62.8 1982 59.46 1983 59.9 1984 61.51 1985 59.04 1986 62.18 1987 62.79 1988 65.78 1989 68.18 1990 73.05 1991 74.98 1992 78.78 1993 74.03 1994 72.65 1995 76.45 1996 75.06 1997 75.93 1998 73.93 1999 76.77 2000 77.76 2001 78.5 2002 81.32 2003 85.65 2004 87.47 2005 86.26 2006 87.62 2007 90.64 2008 88.69 2009 84.71 2010 82.52 2011 83.3 2012 85.64 2013 94.02 2014 95.23 2015 100.36 2016 104.41 2017 96.42 2018 84.67 2019 110.94 2020 110.22 2021 108.9 2022 111.63