Frequencies for first 10,000 rows of pct013e010 variable in sf12010860us35 dataset :

   22 to 24 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,148       91.48       91.48
          1 |        565        5.65       97.13
          2 |        162        1.62       98.75
          3 |         58        0.58       99.33
          4 |         33        0.33       99.66
          5 |         10        0.10       99.76
          6 |          7        0.07       99.83
          7 |         10        0.10       99.93
          8 |          2        0.02       99.95
          9 |          1        0.01       99.96
         10 |          1        0.01       99.97
         13 |          1        0.01       99.98
         14 |          1        0.01       99.99
         18 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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