Frequencies for first 10,000 rows of prov0490 variable in pos1992 dataset :

flag/sample |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,218       12.18       12.18
          0 |      1,104       11.04       23.22
          1 |      2,519       25.19       48.41
          2 |      5,017       50.17       98.58
          3 |        142        1.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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