Frequencies for first 10,000 rows of eniflag_7 variable in linkco1991us_num dataset :

  Nature of |
Injury Flag |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        115        1.15        1.15
          1 |          4        0.04        1.19
          . |      9,881       98.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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