Frequencies for first 10,000 rows of prov2880 variable in pos1988 dataset :

    Type of |
     Action |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        184        1.84        1.84
          0 |        346        3.46        5.30
          1 |      2,027       20.27       25.57
          2 |      7,276       72.76       98.33
          3 |          9        0.09       98.42
          4 |        154        1.54       99.96
          8 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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