1665-952X 1665-952X S1665-952X2015000200023 USA 00 08 2015 00 08 2015 12 35 23 44

1987 13 1 1 55-60 1966 2013 1-21 1980 10 1 1 35-58 2007 35 1 1 3-33 2011 1-26 2011 154-72 1989 48 3 3 357-71 1999 1974 6 3 3 1-24 1977 7 4 4 74-82 1979 13 3 3 513-42 1981 33 6 6 11-27 1985 19 1 1 227 -33 1987 21 1 1 33-60 1994 II 79-84 1989 1953 67 2 2 209-30 1989 2000 25 2 2 152-86 2011 133-48 1990 1982 88 Supplement Supplement S113-53 2011 31-56 2013 1981 1972 431-41 1995 1975 1988 2013 1965 1988 78 2 2 55-9 1979 2002 1985 2014 1958 14 4 4 135-9 1972 397-419 21 2 2 75-8 1991 1952 1942 1982 29-38 2008 10 1 1 20-31 1997 U.S. Department of Commerce 1975 U.S. Department of Labor (Bureau of Labor Statistics) 2014 U.S. Office of Management and Budget 2004 1969 1978