Year 2014-2016 = 100 1961 46.28 1962 32.4 1963 32.4 1964 23.14 1965 27.77 1966 46.28 1967 37.03 1968 32.4 1969 41.65 1970 34.71 1971 32.4 1972 39.34 1973 41.65 1974 41.65 1975 41.65 1976 41.65 1977 41.65 1978 50.91 1979 50.91 1980 55.54 1981 55.54 1982 55.54 1983 60.17 1984 60.17 1985 55.54 1986 55.54 1987 55.54 1988 46.28 1989 46.28 1990 41.65 1991 49.03 1992 55.54 1993 58.67 1994 62.48 1995 65.42 1996 69.42 1997 71.54 1998 74.05 1999 75.44 2000 76.37 2001 80.29 2002 83.31 2003 85.46 2004 87.56 2005 89.74 2006 92.57 2007 97.19 2008 96.47 2009 97.14 2010 97.19 2011 95.28 2012 92.57 2013 97.19 2014 100.42 2015 99.97 2016 99.61 2017 99.61 2018 99.66 2019 101.69 2020 102.03 2021 102.6 2022 103.18