Frequencies for first 10,000 rows of pct012g184 variable in sf12000860us22 dataset :

   77 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,670       86.70       86.70
          1 |        874        8.74       95.44
          2 |        221        2.21       97.65
          3 |         89        0.89       98.54
          4 |         41        0.41       98.95
          5 |         30        0.30       99.25
          6 |         24        0.24       99.49
          7 |         15        0.15       99.64
          8 |          6        0.06       99.70
          9 |         10        0.10       99.80
         10 |         11        0.11       99.91
         11 |          3        0.03       99.94
         13 |          3        0.03       99.97
         14 |          1        0.01       99.98
         15 |          1        0.01       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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