Year 2014-2016 = 100 1961 72.24 1962 71.35 1963 63.76 1964 61.74 1965 54.95 1966 54.86 1967 60.92 1968 58.73 1969 67.05 1970 66.43 1971 57.17 1972 56.99 1973 71.54 1974 87.74 1975 87.05 1976 74.9 1977 63.15 1978 63.01 1979 64.46 1980 60.93 1981 60.88 1982 62.73 1983 67.04 1984 58.83 1985 45.34 1986 47.81 1987 46.44 1988 50.41 1989 48.02 1990 50.93 1991 53.48 1992 50.9 1993 56.93 1994 58.86 1995 64.17 1996 67.54 1997 65.59 1998 62.91 1999 71.89 2000 81.62 2001 83.49 2002 85.84 2003 89.05 2004 97.62 2005 87.84 2006 79.1 2007 79.57 2008 80.67 2009 82.99 2010 87.2 2011 90.86 2012 90.67 2013 93.78 2014 96.68 2015 99.14 2016 104.18 2017 102.86 2018 97.66 2019 95.78 2020 98.15 2021 95.83 2022 97.29