Frequencies for first 10,000 rows of pct012g161 variable in sf12000860us22 dataset :

   54 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,596       75.96       75.96
          1 |      1,199       11.99       87.95
          2 |        467        4.67       92.62
          3 |        218        2.18       94.80
          4 |        135        1.35       96.15
          5 |         88        0.88       97.03
          6 |         41        0.41       97.44
          7 |         49        0.49       97.93
          8 |         24        0.24       98.17
          9 |         28        0.28       98.45
         10 |         16        0.16       98.61
         11 |         11        0.11       98.72
         12 |         25        0.25       98.97
         13 |         22        0.22       99.19
         14 |         11        0.11       99.30
         15 |         10        0.10       99.40
         16 |          7        0.07       99.47
         17 |          4        0.04       99.51
         18 |          6        0.06       99.57
         19 |          4        0.04       99.61
         20 |          2        0.02       99.63
         21 |          6        0.06       99.69
         22 |          4        0.04       99.73
         23 |          3        0.03       99.76
         24 |          1        0.01       99.77
         25 |          3        0.03       99.80
         26 |          2        0.02       99.82
         27 |          4        0.04       99.86
         28 |          2        0.02       99.88
         29 |          1        0.01       99.89
         30 |          4        0.04       99.93
         31 |          2        0.02       99.95
         32 |          1        0.01       99.96
         34 |          2        0.02       99.98
         35 |          1        0.01       99.99
         49 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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