Year 2004-2006 = 100 1961 40.58 1962 43.28 1963 42.08 1964 45.32 1965 46.84 1966 48.75 1967 49.98 1968 48.69 1969 52.37 1970 53.34 1971 54.69 1972 52.26 1973 53.58 1974 54.2 1975 45.57 1976 37.91 1977 35.71 1978 33.97 1979 30.91 1980 31.07 1981 28.31 1982 28.33 1983 28.45 1984 28.72 1985 28.69 1986 30.01 1987 30.4 1988 30.36 1989 30.05 1990 29.25 1991 31.24 1992 33.24 1993 32.35 1994 39.85 1995 39.23 1996 39.73 1997 38.12 1998 46.52 1999 43.09 2000 52.49 2001 62.91 2002 74.33 2003 81.74 2004 93.39 2005 101.57 2006 105.04 2007 120.55 2008 129.68 2009 171.29 2010 181.21 2011 200.84 2012 158.31 2013 227.12 2014 188.98 2015 193.89 2016 208.66