Frequencies for first 10,000 rows of resint variable in nhamcsed1993 dataset :

resident/in |
  tern seen |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,886       78.86       78.86
          1 |      2,114       21.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016