Year 2004-2006 = 100 1961 8.56 1962 8.74 1963 8.94 1964 9.14 1965 9.4 1966 9.55 1967 9.81 1968 10.06 1969 10.42 1970 10.81 1971 11.16 1972 12.34 1973 13.87 1974 14.38 1975 16.63 1976 17.88 1977 19.36 1978 22.03 1979 23.71 1980 25.25 1981 26.22 1982 31.85 1983 34.36 1984 32.49 1985 33.35 1986 36.18 1987 35.89 1988 37.73 1989 40.21 1990 39.69 1991 41.81 1992 41.61 1993 48.29 1994 55.47 1995 57.55 1996 55.41 1997 57.33 1998 67.24 1999 70.41 2000 62.71 2001 59.76 2002 59.29 2003 57.07 2004 76.01 2005 129.7 2006 94.29 2007 98.45 2008 89.57 2009 83.73 2010 105.2 2011 99.62 2012 124.97 2013 122.46 2014 130.27 2015 134.64 2016 137.46