Frequencies for first 10,000 rows of pct012j095 variable in sf12010880us29 dataset :

   92 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,366       93.66       93.66
          1 |        383        3.83       97.49
          2 |        111        1.11       98.60
          3 |         53        0.53       99.13
          4 |         33        0.33       99.46
          5 |         19        0.19       99.65
          6 |         11        0.11       99.76
          7 |          7        0.07       99.83
          8 |          4        0.04       99.87
          9 |          4        0.04       99.91
         10 |          5        0.05       99.96
         11 |          1        0.01       99.97
         13 |          2        0.02       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017