Frequencies for first 10,000 rows of prov0875 variable in pos1995 dataset :

    general |
 supervisor |
- 6 yrs exp |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,229       92.29       92.29
          1 |        258        2.58       94.87
          2 |        209        2.09       96.96
          3 |         87        0.87       97.83
          4 |         48        0.48       98.31
          5 |         28        0.28       98.59
          6 |         25        0.25       98.84
          7 |         16        0.16       99.00
          8 |         13        0.13       99.13
          9 |         36        0.36       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 |          2        0.02       99.73
         18 |          2        0.02       99.75
         19 |          3        0.03       99.78
         20 |          2        0.02       99.80
         21 |          4        0.04       99.84
         22 |          4        0.04       99.88
         25 |          1        0.01       99.89
         28 |          1        0.01       99.90
         32 |          3        0.03       99.93
         34 |          2        0.02       99.95
         46 |          1        0.01       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