Frequencies for first 10,000 rows of prov2880 variable in pos1993 dataset :

    type of |
     action |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        536        5.36        5.36
          1 |      2,464       24.64       30.00
          2 |      6,723       67.23       97.23
          3 |        165        1.65       98.88
          4 |         22        0.22       99.10
          5 |         84        0.84       99.94
          6 |          2        0.02       99.96
          7 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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