Frequencies for first 10,000 rows of pct012g166 variable in sf12000860us22 dataset :

   59 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,972       79.72       79.72
          1 |      1,126       11.26       90.98
          2 |        369        3.69       94.67
          3 |        168        1.68       96.35
          4 |         92        0.92       97.27
          5 |         67        0.67       97.94
          6 |         51        0.51       98.45
          7 |         29        0.29       98.74
          8 |         13        0.13       98.87
          9 |         16        0.16       99.03
         10 |         14        0.14       99.17
         11 |         11        0.11       99.28
         12 |         11        0.11       99.39
         13 |          6        0.06       99.45
         14 |         13        0.13       99.58
         15 |          7        0.07       99.65
         16 |          6        0.06       99.71
         17 |          2        0.02       99.73
         18 |          4        0.04       99.77
         19 |          1        0.01       99.78
         20 |          5        0.05       99.83
         21 |          1        0.01       99.84
         22 |          2        0.02       99.86
         23 |          3        0.03       99.89
         24 |          4        0.04       99.93
         25 |          2        0.02       99.95
         26 |          3        0.03       99.98
         28 |          1        0.01       99.99
         38 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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