Frequencies for first 10,000 rows of prov2880 variable in pos2001 dataset :

    type of |
     action |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          3        0.03        0.03
          1 |      2,934       29.34       29.37
          2 |      6,555       65.55       94.92
          3 |        302        3.02       97.94
          4 |         13        0.13       98.07
          5 |        191        1.91       99.98
          6 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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