Year 2014-2016 = 100 1961 49.85 1962 54.57 1963 57.01 1964 59.3 1965 60.16 1966 58.42 1967 58.31 1968 59.57 1969 62.23 1970 67.21 1971 68.51 1972 73.13 1973 70.92 1974 62.89 1975 69.1 1976 74.75 1977 75.08 1978 77.5 1979 74.93 1980 67.9 1981 66.46 1982 67.3 1983 67.64 1984 63.85 1985 66.29 1986 69.55 1987 73.71 1988 75.41 1989 73.91 1990 81.65 1991 83.57 1992 81.86 1993 83.25 1994 84.39 1995 81.98 1996 80.32 1997 83.44 1998 87.17 1999 89.44 2000 91.36 2001 91.26 2002 92.33 2003 86.07 2004 87.7 2005 88.21 2006 91.2 2007 90.75 2008 87.8 2009 86.85 2010 85.88 2011 86.4 2012 88.46 2013 95.07 2014 100.86 2015 102.38 2016 96.76 2017 90.98 2018 97.18 2019 97.71 2020 90.62 2021 87.88 2022 87.48