Frequencies for first 10,000 rows of pct012g076 variable in sf12010860us26 dataset :

   73 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,644       86.44       86.44
          1 |        921        9.21       95.65
          2 |        216        2.16       97.81
          3 |         99        0.99       98.80
          4 |         47        0.47       99.27
          5 |         30        0.30       99.57
          6 |         10        0.10       99.67
          7 |          9        0.09       99.76
          8 |         10        0.10       99.86
          9 |          6        0.06       99.92
         10 |          2        0.02       99.94
         11 |          1        0.01       99.95
         12 |          1        0.01       99.96
         13 |          2        0.02       99.98
         14 |          1        0.01       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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