Frequencies for first 10,000 rows of p012e013 variable in sf12010860us7 dataset :

   35 to 39 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,928       89.28       89.28
          1 |        735        7.35       96.63
          2 |        201        2.01       98.64
          3 |         70        0.70       99.34
          4 |         28        0.28       99.62
          5 |         19        0.19       99.81
          6 |          7        0.07       99.88
          7 |          2        0.02       99.90
          8 |          6        0.06       99.96
          9 |          1        0.01       99.97
         11 |          1        0.01       99.98
         12 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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