Frequencies for first 10,000 rows of pct013e013 variable in sf12010860us35 dataset :

   35 to 39 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,953       89.53       89.53
          1 |        723        7.23       96.76
          2 |        194        1.94       98.70
          3 |         72        0.72       99.42
          4 |         26        0.26       99.68
          5 |         16        0.16       99.84
          6 |          6        0.06       99.90
          7 |          1        0.01       99.91
          8 |          5        0.05       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