Frequencies for first 10,000 rows of pct012k162 variable in sf12000860us26 dataset :

   55 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,122       91.22       91.22
          1 |        689        6.89       98.11
          2 |        132        1.32       99.43
          3 |         26        0.26       99.69
          4 |         10        0.10       99.79
          5 |          6        0.06       99.85
          6 |          1        0.01       99.86
          7 |          1        0.01       99.87
          8 |          2        0.02       99.89
          9 |          2        0.02       99.91
         15 |          2        0.02       99.93
         24 |          1        0.01       99.94
         26 |          1        0.01       99.95
         27 |          1        0.01       99.96
         34 |          1        0.01       99.97
         46 |          1        0.01       99.98
         50 |          1        0.01       99.99
         53 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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