Frequencies for first 10,000 rows of pct012g080 variable in sf12000860us22 dataset :

   77 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,013       90.13       90.13
          1 |        684        6.84       96.97
          2 |        175        1.75       98.72
          3 |         62        0.62       99.34
          4 |         24        0.24       99.58
          5 |         15        0.15       99.73
          6 |          9        0.09       99.82
          7 |         12        0.12       99.94
          8 |          3        0.03       99.97
          9 |          2        0.02       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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