Year 2004-2006 = 100 1961 25.99 1962 27.5 1963 29.65 1964 30.56 1965 28.15 1966 29.71 1967 32.72 1968 34.13 1969 33.67 1970 37 1971 38.6 1972 40.4 1973 41.53 1974 44.75 1975 44.89 1976 43.36 1977 44.52 1978 43.61 1979 44.77 1980 45.55 1981 46.39 1982 48 1983 49.34 1984 48.39 1985 52.5 1986 55.94 1987 50.79 1988 52.47 1989 54.61 1990 57.14 1991 58.34 1992 59.21 1993 62.47 1994 64.46 1995 68.29 1996 71.34 1997 69.25 1998 72.6 1999 76.27 2000 77.78 2001 79.74 2002 81.94 2003 85 2004 88.99 2005 101.91 2006 109.1 2007 116.25 2008 121.63 2009 131.21 2010 142.88 2011 148.37 2012 155.87 2013 159.66 2014 160.74 2015 168.99 2016 181.65