Frequencies for first 10,000 rows of pct012o126 variable in sf12000860us30 dataset :

   19 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,044       70.44       70.44
          1 |      1,236       12.36       82.80
          2 |        529        5.29       88.09
          3 |        287        2.87       90.96
          4 |        189        1.89       92.85
          5 |        166        1.66       94.51
          6 |        102        1.02       95.53
          7 |         87        0.87       96.40
          8 |         76        0.76       97.16
          9 |         48        0.48       97.64
         10 |         37        0.37       98.01
         11 |         37        0.37       98.38
         12 |         25        0.25       98.63
         13 |         22        0.22       98.85
         14 |         11        0.11       98.96
         15 |         18        0.18       99.14
         16 |          9        0.09       99.23
         17 |         10        0.10       99.33
         18 |          7        0.07       99.40
         19 |          6        0.06       99.46
         20 |          6        0.06       99.52
         21 |          6        0.06       99.58
         22 |          3        0.03       99.61
         23 |          5        0.05       99.66
         24 |          2        0.02       99.68
         25 |          2        0.02       99.70
         26 |          4        0.04       99.74
         27 |          1        0.01       99.75
         28 |          4        0.04       99.79
         29 |          2        0.02       99.81
         30 |          1        0.01       99.82
         31 |          1        0.01       99.83
         32 |          2        0.02       99.85
         33 |          1        0.01       99.86
         35 |          1        0.01       99.87
         37 |          1        0.01       99.88
         40 |          1        0.01       99.89
         41 |          1        0.01       99.90
         47 |          1        0.01       99.91
         48 |          1        0.01       99.92
         49 |          1        0.01       99.93
         51 |          2        0.02       99.95
         53 |          1        0.01       99.96
         56 |          2        0.02       99.98
         65 |          1        0.01       99.99
         75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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