Frequencies for first 10,000 rows of prov0695 variable in pos1997 dataset :

   activity |
professiona |
        l - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,844       98.44       98.44
        .01 |         18        0.18       98.62
        .03 |         11        0.11       98.73
        .04 |          3        0.03       98.76
        .05 |          1        0.01       98.77
        .06 |         33        0.33       99.10
        .07 |          2        0.02       99.12
        .09 |          6        0.06       99.18
         .1 |          1        0.01       99.19
        .11 |         26        0.26       99.45
        .17 |          1        0.01       99.46
        .23 |          7        0.07       99.53
        .25 |          5        0.05       99.58
        .26 |          1        0.01       99.59
        .29 |          2        0.02       99.61
        .36 |          6        0.06       99.67
        .55 |          1        0.01       99.68
        .57 |          2        0.02       99.70
         .8 |          2        0.02       99.72
          1 |          2        0.02       99.74
       1.03 |          1        0.01       99.75
       1.06 |          1        0.01       99.76
       1.14 |         13        0.13       99.89
       1.24 |          1        0.01       99.90
       1.37 |          1        0.01       99.91
       1.81 |          1        0.01       99.92
          2 |          1        0.01       99.93
       5.71 |          1        0.01       99.94
          8 |          1        0.01       99.95
      11.43 |          1        0.01       99.96
      14.29 |          1        0.01       99.97
      91.43 |          1        0.01       99.98
     114.29 |          1        0.01       99.99
     228.57 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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