Year 2004-2006 = 100 1961 31.77 1962 34.77 1963 32.73 1964 34.9 1965 35.27 1966 36.68 1967 37.61 1968 40.03 1969 40.1 1970 41.49 1971 42.35 1972 44.27 1973 46.83 1974 50.05 1975 54.72 1976 55.71 1977 58.2 1978 63.06 1979 64.16 1980 65.43 1981 66.7 1982 63.19 1983 63.56 1984 65.76 1985 63.56 1986 66.63 1987 67.43 1988 70.44 1989 74.17 1990 78.88 1991 80.56 1992 84.25 1993 80.49 1994 79.88 1995 83.13 1996 82.52 1997 83.46 1998 80.76 1999 87.61 2000 88.24 2001 89.36 2002 92.25 2003 97.61 2004 100.21 2005 99.18 2006 100.61 2007 104.43 2008 102.55 2009 99.78 2010 95.53 2011 96.41 2012 101.9 2013 108.15 2014 110.35 2015 116.94 2016 114.6