Year 2004-2006 = 100 1961 15.27 1962 15.69 1963 16.21 1964 16.53 1965 16.74 1966 18.14 1967 18.93 1968 20.37 1969 21.96 1970 22.79 1971 23.87 1972 25.1 1973 25.11 1974 26.75 1975 27.18 1976 30.52 1977 29.74 1978 31.33 1979 40.97 1980 47.9 1981 45.9 1982 45.7 1983 54.62 1984 59.67 1985 71.15 1986 76.65 1987 79.27 1988 83.81 1989 101.93 1990 96.02 1991 68.15 1992 71.98 1993 66.84 1994 71.97 1995 74.19 1996 69.21 1997 73.2 1998 74.24 1999 74.64 2000 82.35 2001 84.3 2002 98.04 2003 95.51 2004 93.24 2005 93.61 2006 113.15 2007 142.1 2008 148.59 2009 127.81 2010 116.19 2011 133.21 2012 134.36 2013 134.37 2014 134.13 2015 133.75 2016 133.75