Frequencies for first 10,000 rows of prov2880 variable in pos2002 dataset :

    type of |
     action |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          3        0.03        0.03
          1 |      2,980       29.80       29.83
          2 |      6,505       65.05       94.88
          3 |        288        2.88       97.76
          4 |         13        0.13       97.89
          5 |        209        2.09       99.98
          6 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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