Frequencies for first 10,000 rows of pct012k135 variable in sf12000860us26 dataset :

   28 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,910       89.10       89.10
          1 |        782        7.82       96.92
          2 |        192        1.92       98.84
          3 |         51        0.51       99.35
          4 |         25        0.25       99.60
          5 |         10        0.10       99.70
          6 |          9        0.09       99.79
          7 |          4        0.04       99.83
          8 |          1        0.01       99.84
          9 |          3        0.03       99.87
         11 |          1        0.01       99.88
         14 |          1        0.01       99.89
         20 |          1        0.01       99.90
         22 |          1        0.01       99.91
         24 |          2        0.02       99.93
         26 |          1        0.01       99.94
         40 |          1        0.01       99.95
         47 |          1        0.01       99.96
         59 |          1        0.01       99.97
         60 |          1        0.01       99.98
         70 |          1        0.01       99.99
         91 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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