Frequencies for first 10,000 rows of pct012j096 variable in sf12000860us25 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,341       93.41       93.41
          1 |        452        4.52       97.93
          2 |        106        1.06       98.99
          3 |         56        0.56       99.55
          4 |         24        0.24       99.79
          5 |          9        0.09       99.88
          6 |          5        0.05       99.93
          7 |          2        0.02       99.95
          8 |          2        0.02       99.97
          9 |          2        0.02       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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