Frequencies for first 10,000 rows of pct012c061 variable in sf12010860us22 dataset :

   58 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,631       86.31       86.31
          1 |        976        9.76       96.07
          2 |        235        2.35       98.42
          3 |         86        0.86       99.28
          4 |         26        0.26       99.54
          5 |         16        0.16       99.70
          6 |          5        0.05       99.75
          7 |          8        0.08       99.83
          8 |          4        0.04       99.87
          9 |          2        0.02       99.89
         15 |          2        0.02       99.91
         17 |          1        0.01       99.92
         24 |          1        0.01       99.93
         26 |          1        0.01       99.94
         30 |          1        0.01       99.95
         34 |          1        0.01       99.96
         38 |          1        0.01       99.97
         45 |          1        0.01       99.98
         60 |          1        0.01       99.99
         65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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