YEAR    PGNP      GNP     UEM      AF      POP       EM
  1947    83.0   234289    2356    1590   107608    60323
  1948    88.5   259426    2325    1456   108632    61122
  1949    88.2   258054    3682    1616   109773    60171
  1950    89.5   284599    3351    1650   110929    61187
  1951    96.2   328975    2099    3099   112075    63221
  1952    98.1   346999    1932    3594   113270    63639
  1953    99.0   365385    1870    3547   115094    64989
  1954   100.0   363112    3578    3350   116219    63761
  1955   101.2   397469    2904    3048   117388    66019
  1956   104.6   419180    2822    2857   118734    67857
  1957   108.4   442769    2936    2798   120445    68169
  1958   110.8   444546    4681    2637   121950    66513
  1959   112.6   482704    3813    2552   123366    68655
  1960   114.2   502601    3931    2514   125368    69564
  1961   115.7   518173    4806    2572   127852    69331
  1962   116.9   554894    4007    2827   130081    70551
/*
Data Source
-----------
J. W. Longley, "An Appraisal of Least Squares Program from the 
Point of the User," Journal of American Statistical Association, 
1967, 819-841.

Data Description
----------------
YEAR = Year 1947 - 1962
PGNP = GNP Deflator 1954=100
GNP = Gross National Product in $1,000,000
UEM = Unemployed in thousands
AF = Armed Forces in thousands
POP = Population in thousands
EM = Employed in thousands
*/