Year 2004-2006 = 100 1961 38.66 1962 41.37 1963 40.16 1964 38.22 1965 40.39 1966 40.93 1967 43.81 1968 43.87 1969 43.18 1970 43.54 1971 40.51 1972 40.73 1973 39.34 1974 41.49 1975 44.56 1976 47.44 1977 50.67 1978 52.73 1979 58.81 1980 64.17 1981 65.96 1982 69.95 1983 75.04 1984 84.69 1985 91.08 1986 94.81 1987 95.12 1988 92.17 1989 95.01 1990 93.52 1991 93.44 1992 91.48 1993 88.8 1994 89.62 1995 90.47 1996 92.3 1997 92.63 1998 94.47 1999 90.61 2000 92.17 2001 96.16 2002 98.28 2003 99.95 2004 101.79 2005 99.76 2006 98.45 2007 97.84 2008 99.72 2009 99.07 2010 100.6 2011 104.03 2012 102.9 2013 99.73 2014 101.81 2015 99.42 2016 96.7