Frequencies for first 10,000 rows of pct013c045 variable in sf12010860us35 dataset :

   67 to 69 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,166       81.66       81.66
          1 |      1,183       11.83       93.49
          2 |        340        3.40       96.89
          3 |        132        1.32       98.21
          4 |         68        0.68       98.89
          5 |         35        0.35       99.24
          6 |         19        0.19       99.43
          7 |          7        0.07       99.50
          8 |         18        0.18       99.68
          9 |          7        0.07       99.75
         10 |          2        0.02       99.77
         11 |          2        0.02       99.79
         12 |          4        0.04       99.83
         13 |          1        0.01       99.84
         15 |          3        0.03       99.87
         17 |          1        0.01       99.88
         20 |          1        0.01       99.89
         29 |          1        0.01       99.90
         30 |          1        0.01       99.91
         34 |          1        0.01       99.92
         35 |          1        0.01       99.93
         48 |          1        0.01       99.94
         51 |          1        0.01       99.95
         53 |          2        0.02       99.97
         85 |          2        0.02       99.99
        136 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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