Frequencies for first 10,000 rows of pct013c045 variable in sf12010880us35 dataset :

   67 to 69 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,606       86.06       86.06
          1 |        920        9.20       95.26
          2 |        249        2.49       97.75
          3 |         92        0.92       98.67
          4 |         58        0.58       99.25
          5 |         28        0.28       99.53
          6 |         13        0.13       99.66
          7 |          8        0.08       99.74
          8 |         15        0.15       99.89
          9 |          3        0.03       99.92
         10 |          2        0.02       99.94
         11 |          1        0.01       99.95
         12 |          2        0.02       99.97
         13 |          1        0.01       99.98
         15 |          1        0.01       99.99
         29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017