Frequencies for first 10,000 rows of p012c023 variable in sf12010860us7 dataset :

   75 to 79 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,663       86.63       86.63
          1 |        951        9.51       96.14
          2 |        212        2.12       98.26
          3 |         84        0.84       99.10
          4 |         38        0.38       99.48
          5 |         19        0.19       99.67
          6 |          9        0.09       99.76
          7 |          6        0.06       99.82
          8 |          1        0.01       99.83
          9 |          1        0.01       99.84
         10 |          3        0.03       99.87
         12 |          1        0.01       99.88
         13 |          1        0.01       99.89
         15 |          1        0.01       99.90
         20 |          2        0.02       99.92
         22 |          1        0.01       99.93
         31 |          1        0.01       99.94
         34 |          1        0.01       99.95
         36 |          1        0.01       99.96
         43 |          1        0.01       99.97
         44 |          1        0.01       99.98
         53 |          1        0.01       99.99
         92 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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