Frequencies for first 10,000 rows of prov0875 variable in pos1993 dataset :

    general |
 supervisor |
- 6 yrs exp |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,158       91.58       91.58
          1 |        288        2.88       94.46
          2 |        223        2.23       96.69
          3 |         95        0.95       97.64
          4 |         51        0.51       98.15
          5 |         32        0.32       98.47
          6 |         27        0.27       98.74
          7 |         18        0.18       98.92
          8 |         15        0.15       99.07
          9 |         42        0.42       99.49
         10 |          9        0.09       99.58
         12 |          2        0.02       99.60
         13 |          6        0.06       99.66
         14 |          3        0.03       99.69
         15 |          1        0.01       99.70
         16 |          1        0.01       99.71
         17 |          3        0.03       99.74
         18 |          2        0.02       99.76
         19 |          3        0.03       99.79
         20 |          2        0.02       99.81
         21 |          4        0.04       99.85
         22 |          4        0.04       99.89
         25 |          1        0.01       99.90
         28 |          1        0.01       99.91
         32 |          3        0.03       99.94
         34 |          2        0.02       99.96
         47 |          1        0.01       99.97
         54 |          1        0.01       99.98
         64 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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