Frequencies for first 10,000 rows of pct012f088 variable in sf12000860us21 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,655       96.55       96.55
          1 |        216        2.16       98.71
          2 |         63        0.63       99.34
          3 |         25        0.25       99.59
          4 |         25        0.25       99.84
          5 |          4        0.04       99.88
          6 |          6        0.06       99.94
          7 |          3        0.03       99.97
          8 |          1        0.01       99.98
          9 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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