Frequencies for first 10,000 rows of pct012c062 variable in sf12010860us22 dataset :

   59 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,671       86.71       86.71
          1 |        958        9.58       96.29
          2 |        237        2.37       98.66
          3 |         58        0.58       99.24
          4 |         32        0.32       99.56
          5 |         16        0.16       99.72
          6 |          4        0.04       99.76
          7 |          8        0.08       99.84
          9 |          2        0.02       99.86
         10 |          2        0.02       99.88
         13 |          2        0.02       99.90
         15 |          1        0.01       99.91
         20 |          1        0.01       99.92
         23 |          3        0.03       99.95
         28 |          1        0.01       99.96
         29 |          1        0.01       99.97
         39 |          1        0.01       99.98
         45 |          1        0.01       99.99
         51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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