Frequencies for first 10,000 rows of p012e036 variable in sf12010860us7 dataset :

   30 to 34 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,837       88.37       88.37
          1 |        764        7.64       96.01
          2 |        216        2.16       98.17
          3 |         94        0.94       99.11
          4 |         40        0.40       99.51
          5 |         20        0.20       99.71
          6 |         10        0.10       99.81
          7 |          3        0.03       99.84
          8 |          6        0.06       99.90
          9 |          5        0.05       99.95
         10 |          1        0.01       99.96
         11 |          1        0.01       99.97
         13 |          1        0.01       99.98
         16 |          1        0.01       99.99
         23 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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