Year 2004-2006 = 100 1961 30.62 1962 31.64 1963 33.16 1964 33.03 1965 34.6 1966 32.02 1967 31.74 1968 31.19 1969 31.86 1970 29.13 1971 37.62 1972 36.3 1973 41.21 1974 40.92 1975 48.58 1976 47.99 1977 46.39 1978 44.29 1979 49.69 1980 49.98 1981 49.94 1982 49.79 1983 41.03 1984 43.9 1985 43.59 1986 53.89 1987 54.78 1988 57.55 1989 62.96 1990 61.22 1991 52.04 1992 64.89 1993 68.19 1994 64.4 1995 67.95 1996 64.36 1997 70.07 1998 79.27 1999 77.88 2000 84.36 2001 89.22 2002 88.15 2003 87 2004 93.47 2005 96.76 2006 109.77 2007 121.83 2008 119.15 2009 120.92 2010 133.91 2011 121.06 2012 129.25 2013 123.39 2014 119.61 2015 116.16 2016 128.97