Frequencies for first 10,000 rows of pct012k134 variable in sf12010860us30 dataset :

   27 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,958       89.58       89.58
          1 |        726        7.26       96.84
          2 |        200        2.00       98.84
          3 |         60        0.60       99.44
          4 |         19        0.19       99.63
          5 |         10        0.10       99.73
          6 |          8        0.08       99.81
          8 |          2        0.02       99.83
          9 |          2        0.02       99.85
         10 |          1        0.01       99.86
         12 |          2        0.02       99.88
         14 |          1        0.01       99.89
         19 |          1        0.01       99.90
         23 |          1        0.01       99.91
         30 |          1        0.01       99.92
         31 |          1        0.01       99.93
         32 |          1        0.01       99.94
         51 |          1        0.01       99.95
         53 |          1        0.01       99.96
         54 |          1        0.01       99.97
         55 |          1        0.01       99.98
         65 |          1        0.01       99.99
         75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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