Frequencies for first 10,000 rows of eniflag_5 variable in linkco1991us_num dataset :

  Nature of |
Injury Flag |
          5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        840        8.40        8.40
          1 |         28        0.28        8.68
          . |      9,132       91.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015