Frequencies for first 10,000 rows of pct012f088 variable in sf12010860us25 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,480       94.80       94.80
          1 |        327        3.27       98.07
          2 |         78        0.78       98.85
          3 |         60        0.60       99.45
          4 |         23        0.23       99.68
          5 |         10        0.10       99.78
          6 |          7        0.07       99.85
          7 |          4        0.04       99.89
          8 |          5        0.05       99.94
          9 |          2        0.02       99.96
         10 |          2        0.02       99.98
         13 |          1        0.01       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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