Frequencies for first 10,000 rows of prov0455 variable in pos1988 dataset :

Eligibility |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        289        2.89        2.89
          1 |      8,320       83.20       86.09
          2 |      1,391       13.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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