Frequencies for first 10,000 rows of pct012f089 variable in sf12000860us21 dataset :

   86 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,699       96.99       96.99
          1 |        199        1.99       98.98
          2 |         48        0.48       99.46
          3 |         25        0.25       99.71
          4 |         16        0.16       99.87
          5 |          7        0.07       99.94
          6 |          5        0.05       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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