Frequencies for first 10,000 rows of pct012f184 variable in sf12000860us21 dataset :

   77 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,257       92.57       92.57
          1 |        378        3.78       96.35
          2 |        126        1.26       97.61
          3 |         63        0.63       98.24
          4 |         45        0.45       98.69
          5 |         22        0.22       98.91
          6 |         13        0.13       99.04
          7 |         16        0.16       99.20
          8 |         17        0.17       99.37
          9 |          7        0.07       99.44
         10 |          4        0.04       99.48
         11 |          7        0.07       99.55
         12 |          2        0.02       99.57
         13 |          5        0.05       99.62
         14 |          6        0.06       99.68
         15 |          3        0.03       99.71
         16 |          3        0.03       99.74
         17 |          1        0.01       99.75
         18 |          1        0.01       99.76
         19 |          3        0.03       99.79
         20 |          6        0.06       99.85
         22 |          4        0.04       99.89
         23 |          2        0.02       99.91
         24 |          1        0.01       99.92
         26 |          1        0.01       99.93
         30 |          3        0.03       99.96
         31 |          1        0.01       99.97
         33 |          1        0.01       99.98
         35 |          1        0.01       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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