Frequencies for first 10,000 rows of pct012k035 variable in sf12000860us26 dataset :

   32 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,770       87.70       87.70
          1 |        915        9.15       96.85
          2 |        204        2.04       98.89
          3 |         53        0.53       99.42
          4 |         19        0.19       99.61
          5 |         10        0.10       99.71
          6 |          7        0.07       99.78
          7 |          2        0.02       99.80
          8 |          2        0.02       99.82
          9 |          3        0.03       99.85
         10 |          1        0.01       99.86
         11 |          1        0.01       99.87
         12 |          4        0.04       99.91
         20 |          1        0.01       99.92
         22 |          1        0.01       99.93
         27 |          1        0.01       99.94
         29 |          1        0.01       99.95
         34 |          1        0.01       99.96
         41 |          1        0.01       99.97
         55 |          1        0.01       99.98
         60 |          1        0.01       99.99
         61 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017