Year 2004-2006 = 100 1961 28.45 1962 30.28 1963 31.15 1964 32.01 1965 33.08 1966 31.69 1967 31.88 1968 32.64 1969 33.94 1970 36.22 1971 39.15 1972 38.03 1973 37.07 1974 38.73 1975 41.88 1976 46.23 1977 46.25 1978 45.68 1979 48.37 1980 48.19 1981 51.24 1982 51.39 1983 48.3 1984 50.94 1985 51.72 1986 53.42 1987 54.32 1988 59.71 1989 64.17 1990 69.1 1991 71.38 1992 67.28 1993 69.34 1994 73.18 1995 79.65 1996 79.72 1997 81.45 1998 85 1999 82.33 2000 86.1 2001 87.92 2002 89.01 2003 89.27 2004 95 2005 98.43 2006 106.56 2007 108.63 2008 116.23 2009 106.18 2010 106.11 2011 110.27 2012 117.18 2013 121.46 2014 122.31 2015 122.32 2016 115.61