Frequencies for first 10,000 rows of pct012g138 variable in sf12010860us26 dataset :

   31 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,459       64.59       64.59
          1 |      1,197       11.97       76.56
          2 |        579        5.79       82.35
          3 |        375        3.75       86.10
          4 |        251        2.51       88.61
          5 |        185        1.85       90.46
          6 |        171        1.71       92.17
          7 |        150        1.50       93.67
          8 |        102        1.02       94.69
          9 |         76        0.76       95.45
         10 |         68        0.68       96.13
         11 |         48        0.48       96.61
         12 |         44        0.44       97.05
         13 |         46        0.46       97.51
         14 |         30        0.30       97.81
         15 |         26        0.26       98.07
         16 |         25        0.25       98.32
         17 |         13        0.13       98.45
         18 |         20        0.20       98.65
         19 |         14        0.14       98.79
         20 |         10        0.10       98.89
         21 |         15        0.15       99.04
         22 |          9        0.09       99.13
         23 |         10        0.10       99.23
         24 |          7        0.07       99.30
         25 |          9        0.09       99.39
         26 |          7        0.07       99.46
         27 |          5        0.05       99.51
         28 |         12        0.12       99.63
         29 |          8        0.08       99.71
         30 |          3        0.03       99.74
         31 |          7        0.07       99.81
         32 |          4        0.04       99.85
         33 |          1        0.01       99.86
         34 |          1        0.01       99.87
         35 |          1        0.01       99.88
         36 |          1        0.01       99.89
         37 |          1        0.01       99.90
         39 |          2        0.02       99.92
         41 |          2        0.02       99.94
         42 |          2        0.02       99.96
         44 |          2        0.02       99.98
         49 |          1        0.01       99.99
         63 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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