Frequencies for first 10,000 rows of pct012g188 variable in sf12000860us22 dataset :

   81 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,949       89.49       89.49
          1 |        711        7.11       96.60
          2 |        189        1.89       98.49
          3 |         68        0.68       99.17
          4 |         28        0.28       99.45
          5 |         23        0.23       99.68
          6 |         10        0.10       99.78
          7 |          9        0.09       99.87
          8 |          7        0.07       99.94
         10 |          3        0.03       99.97
         11 |          2        0.02       99.99
         15 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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