Frequencies for first 10,000 rows of prov0455 variable in pos1993 dataset :

eligibility |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,071       10.71       10.71
          1 |      8,725       87.25       97.96
          2 |        204        2.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016