Year 2004-2006 = 100 1961 23.24 1962 29.54 1963 31.05 1964 34.8 1965 34.61 1966 38.98 1967 38 1968 40.91 1969 42.07 1970 43.02 1971 47.97 1972 47.66 1973 48.86 1974 53.4 1975 65.8 1976 74.03 1977 68.63 1978 77.39 1979 78.87 1980 81.91 1981 88.39 1982 85.64 1983 79.97 1984 79.6 1985 82.62 1986 91.73 1987 94.92 1988 98.13 1989 98.19 1990 94.54 1991 94.07 1992 94.83 1993 92.12 1994 91.31 1995 92.98 1996 95.15 1997 88.27 1998 94.6 1999 96.67 2000 100.59 2001 99.63 2002 100.28 2003 99.91 2004 99.28 2005 99.13 2006 101.59 2007 105.24 2008 103.48 2009 103.89 2010 104.34 2011 104.42 2012 107.14 2013 107.28 2014 107.39 2015 106.63 2016 106.72