Year 2004-2006 = 100 1961 43.36 1962 46.14 1963 46.84 1964 40.21 1965 46.79 1966 28.13 1967 31.21 1968 41.85 1969 37.31 1970 39 1971 39.99 1972 34.43 1973 31.68 1974 34.43 1975 38.72 1976 34.79 1977 25.56 1978 25.44 1979 30.09 1980 33.1 1981 33.98 1982 26.62 1983 27.76 1984 30.43 1985 42.06 1986 42.68 1987 40.23 1988 34.92 1989 40.5 1990 35.59 1991 53.61 1992 58.86 1993 54.37 1994 45.34 1995 54.68 1996 71.97 1997 51.32 1998 60.14 1999 66.98 2000 53.62 2001 62.47 2002 65.86 2003 83.71 2004 94.23 2005 98.21 2006 107.57 2007 89.86 2008 97.32 2009 128.63 2010 137.54 2011 153.67 2012 159.93 2013 179.09 2014 141.64 2015 152.18 2016 154.33