Frequencies for first 10,000 rows of pct012n034 variable in sf12010860us33 dataset :

   31 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,029       90.29       90.29
          1 |        589        5.89       96.18
          2 |        168        1.68       97.86
          3 |         71        0.71       98.57
          4 |         44        0.44       99.01
          5 |         28        0.28       99.29
          6 |         15        0.15       99.44
          7 |         11        0.11       99.55
          8 |          6        0.06       99.61
          9 |          5        0.05       99.66
         10 |          3        0.03       99.69
         11 |          5        0.05       99.74
         12 |          2        0.02       99.76
         13 |          3        0.03       99.79
         14 |          4        0.04       99.83
         15 |          3        0.03       99.86
         16 |          1        0.01       99.87
         17 |          2        0.02       99.89
         18 |          1        0.01       99.90
         22 |          1        0.01       99.91
         24 |          1        0.01       99.92
         25 |          1        0.01       99.93
         26 |          1        0.01       99.94
         27 |          2        0.02       99.96
         34 |          1        0.01       99.97
         42 |          1        0.01       99.98
         44 |          1        0.01       99.99
         50 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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