Frequencies for first 10,000 rows of pct012k027 variable in sf12000860us26 dataset :

   24 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,886       88.86       88.86
          1 |        796        7.96       96.82
          2 |        202        2.02       98.84
          3 |         58        0.58       99.42
          4 |         20        0.20       99.62
          5 |         12        0.12       99.74
          6 |          8        0.08       99.82
          7 |          2        0.02       99.84
          9 |          1        0.01       99.85
         10 |          2        0.02       99.87
         11 |          1        0.01       99.88
         12 |          1        0.01       99.89
         14 |          1        0.01       99.90
         15 |          1        0.01       99.91
         18 |          1        0.01       99.92
         24 |          1        0.01       99.93
         26 |          1        0.01       99.94
         28 |          1        0.01       99.95
         30 |          1        0.01       99.96
         55 |          1        0.01       99.97
         57 |          1        0.01       99.98
         70 |          1        0.01       99.99
         85 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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