Year 2014-2016 = 100 1961 36.32 1962 36.75 1963 37.99 1964 39.1 1965 39.3 1966 38.59 1967 39.3 1968 37.19 1969 40.86 1970 44.51 1971 45.63 1972 44.37 1973 45.11 1974 46.02 1975 47.53 1976 49.41 1977 51.06 1978 53.93 1979 61.24 1980 62.51 1981 68.73 1982 67.66 1983 67.66 1984 77.56 1985 80.47 1986 79.15 1987 62.81 1988 65.12 1989 68.01 1990 67.64 1991 72.11 1992 76.14 1993 75.01 1994 75.63 1995 84.04 1996 86.09 1997 90.62 1998 92.24 1999 86.54 2000 87.24 2001 83.37 2002 85.08 2003 88.06 2004 100.11 2005 113.23 2006 115.69 2007 123.99 2008 129.2 2009 125.13 2010 91.27 2011 93.06 2012 94.77 2013 96.68 2014 98.9 2015 100.49 2016 100.6 2017 102.04 2018 103.63 2019 104.71 2020 104.29 2021 108.11 2022 108