Frequencies for first 10,000 rows of pct0120101 variable in sf12010860us17 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,142       81.42       81.42
          1 |      1,180       11.80       93.22
          2 |        390        3.90       97.12
          3 |        157        1.57       98.69
          4 |         71        0.71       99.40
          5 |         32        0.32       99.72
          6 |         13        0.13       99.85
          7 |          5        0.05       99.90
          8 |          4        0.04       99.94
          9 |          2        0.02       99.96
         10 |          3        0.03       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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