Frequencies for first 10,000 rows of eniflag_2 variable in linkco1991us_num dataset :

  Nature of |
Injury Flag |
          2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,890       68.90       68.90
          1 |         98        0.98       69.88
          . |      3,012       30.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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