Frequencies for first 10,000 rows of pct012g181 variable in sf12000860us22 dataset :

   74 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,557       85.57       85.57
          1 |        907        9.07       94.64
          2 |        236        2.36       97.00
          3 |        107        1.07       98.07
          4 |         59        0.59       98.66
          5 |         36        0.36       99.02
          6 |         24        0.24       99.26
          7 |         12        0.12       99.38
          8 |         15        0.15       99.53
          9 |         11        0.11       99.64
         10 |         11        0.11       99.75
         11 |          7        0.07       99.82
         12 |          9        0.09       99.91
         13 |          2        0.02       99.93
         14 |          4        0.04       99.97
         15 |          1        0.01       99.98
         17 |          1        0.01       99.99
         21 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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