Frequencies for first 10,000 rows of pct013e010 variable in sf12000860us31 dataset :

   22 to 24 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,212       92.12       92.12
          1 |        543        5.43       97.55
          2 |        132        1.32       98.87
          3 |         54        0.54       99.41
          4 |         32        0.32       99.73
          5 |         10        0.10       99.83
          6 |          7        0.07       99.90
          7 |          2        0.02       99.92
          8 |          4        0.04       99.96
          9 |          2        0.02       99.98
         13 |          1        0.01       99.99
         21 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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