Frequencies for first 10,000 rows of pct013g024 variable in sf12000860us32 dataset :

   80 to 84 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,989       79.89       79.89
          1 |      1,163       11.63       91.52
          2 |        370        3.70       95.22
          3 |        159        1.59       96.81
          4 |         93        0.93       97.74
          5 |         54        0.54       98.28
          6 |         45        0.45       98.73
          7 |         24        0.24       98.97
          8 |         17        0.17       99.14
          9 |         13        0.13       99.27
         10 |         16        0.16       99.43
         11 |         13        0.13       99.56
         12 |         10        0.10       99.66
         13 |          7        0.07       99.73
         14 |          7        0.07       99.80
         15 |          4        0.04       99.84
         16 |          5        0.05       99.89
         17 |          2        0.02       99.91
         18 |          2        0.02       99.93
         19 |          3        0.03       99.96
         20 |          1        0.01       99.97
         21 |          1        0.01       99.98
         22 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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