Year 2004-2006 = 100 1961 29.02 1962 29.85 1963 31.67 1964 34.02 1965 37.81 1966 41.72 1967 42.34 1968 42.98 1969 35.59 1970 32.69 1971 34.72 1972 33.51 1973 73.73 1974 80.61 1975 75.52 1976 85.73 1977 56.24 1978 46.38 1979 37.67 1980 37.1 1981 53.39 1982 47.8 1983 46.38 1984 48.98 1985 52.47 1986 50.22 1987 58.58 1988 59.46 1989 64.89 1990 64.67 1991 54.1 1992 60.91 1993 59.15 1994 51.22 1995 88.93 1996 118.52 1997 97.59 1998 147.17 1999 144.99 2000 81.05 2001 83.98 2002 84.71 2003 98.51 2004 99.3 2005 100.47 2006 100.23 2007 99.35 2008 100.51 2009 106.32 2010 108.09 2011 112.82 2012 111.85 2013 114.14 2014 111.01 2015 110.89 2016 110.85