Frequencies for first 10,000 rows of pct012g018 variable in sf12010860us26 dataset :

   15 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,224       52.24       52.24
          1 |      1,429       14.29       66.53
          2 |        739        7.39       73.92
          3 |        499        4.99       78.91
          4 |        374        3.74       82.65
          5 |        282        2.82       85.47
          6 |        227        2.27       87.74
          7 |        217        2.17       89.91
          8 |        157        1.57       91.48
          9 |        107        1.07       92.55
         10 |        106        1.06       93.61
         11 |         93        0.93       94.54
         12 |         67        0.67       95.21
         13 |         68        0.68       95.89
         14 |         64        0.64       96.53
         15 |         46        0.46       96.99
         16 |         42        0.42       97.41
         17 |         28        0.28       97.69
         18 |         29        0.29       97.98
         19 |         34        0.34       98.32
         20 |         11        0.11       98.43
         21 |         20        0.20       98.63
         22 |         16        0.16       98.79
         23 |         18        0.18       98.97
         24 |         16        0.16       99.13
         25 |         11        0.11       99.24
         26 |         10        0.10       99.34
         27 |         11        0.11       99.45
         28 |          8        0.08       99.53
         29 |          5        0.05       99.58
         30 |          5        0.05       99.63
         31 |          6        0.06       99.69
         32 |          6        0.06       99.75
         33 |          1        0.01       99.76
         34 |          5        0.05       99.81
         35 |          2        0.02       99.83
         36 |          6        0.06       99.89
         38 |          1        0.01       99.90
         39 |          2        0.02       99.92
         40 |          1        0.01       99.93
         41 |          1        0.01       99.94
         43 |          2        0.02       99.96
         44 |          1        0.01       99.97
         50 |          1        0.01       99.98
         58 |          1        0.01       99.99
         68 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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