Frequencies for first 10,000 rows of pct012f082 variable in sf12000860us21 dataset :

   79 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,464       94.64       94.64
          1 |        304        3.04       97.68
          2 |         94        0.94       98.62
          3 |         41        0.41       99.03
          4 |         26        0.26       99.29
          5 |         15        0.15       99.44
          6 |          9        0.09       99.53
          7 |         12        0.12       99.65
          8 |          6        0.06       99.71
          9 |          4        0.04       99.75
         10 |          4        0.04       99.79
         11 |          5        0.05       99.84
         12 |          5        0.05       99.89
         13 |          4        0.04       99.93
         14 |          2        0.02       99.95
         15 |          3        0.03       99.98
         16 |          1        0.01       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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