Frequencies for first 10,000 rows of pct012g034 variable in sf12010880us26 dataset :

   31 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,162       71.62       71.62
          1 |      1,102       11.02       82.64
          2 |        458        4.58       87.22
          3 |        291        2.91       90.13
          4 |        180        1.80       91.93
          5 |        156        1.56       93.49
          6 |        108        1.08       94.57
          7 |         86        0.86       95.43
          8 |         63        0.63       96.06
          9 |         64        0.64       96.70
         10 |         49        0.49       97.19
         11 |         33        0.33       97.52
         12 |         33        0.33       97.85
         13 |         23        0.23       98.08
         14 |         25        0.25       98.33
         15 |         25        0.25       98.58
         16 |         21        0.21       98.79
         17 |         12        0.12       98.91
         18 |         10        0.10       99.01
         19 |         11        0.11       99.12
         20 |         11        0.11       99.23
         21 |         11        0.11       99.34
         22 |          6        0.06       99.40
         23 |          5        0.05       99.45
         24 |          8        0.08       99.53
         25 |          6        0.06       99.59
         26 |          5        0.05       99.64
         27 |          5        0.05       99.69
         28 |          2        0.02       99.71
         29 |          2        0.02       99.73
         30 |          3        0.03       99.76
         31 |          2        0.02       99.78
         32 |          4        0.04       99.82
         33 |          3        0.03       99.85
         34 |          1        0.01       99.86
         35 |          1        0.01       99.87
         36 |          3        0.03       99.90
         38 |          2        0.02       99.92
         39 |          2        0.02       99.94
         40 |          1        0.01       99.95
         43 |          1        0.01       99.96
         44 |          1        0.01       99.97
         47 |          1        0.01       99.98
         51 |          1        0.01       99.99
         82 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017