Frequencies for first 10,000 rows of pct012g044 variable in sf12010860us26 dataset :

   41 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,576       65.76       65.76
          1 |      1,414       14.14       79.90
          2 |        631        6.31       86.21
          3 |        361        3.61       89.82
          4 |        244        2.44       92.26
          5 |        168        1.68       93.94
          6 |        132        1.32       95.26
          7 |         99        0.99       96.25
          8 |         64        0.64       96.89
          9 |         62        0.62       97.51
         10 |         40        0.40       97.91
         11 |         42        0.42       98.33
         12 |         25        0.25       98.58
         13 |         18        0.18       98.76
         14 |         21        0.21       98.97
         15 |         10        0.10       99.07
         16 |         10        0.10       99.17
         17 |         12        0.12       99.29
         18 |          9        0.09       99.38
         19 |          4        0.04       99.42
         20 |         10        0.10       99.52
         21 |          7        0.07       99.59
         22 |          6        0.06       99.65
         23 |          3        0.03       99.68
         24 |          6        0.06       99.74
         25 |          5        0.05       99.79
         26 |          2        0.02       99.81
         27 |          2        0.02       99.83
         28 |          1        0.01       99.84
         29 |          1        0.01       99.85
         30 |          3        0.03       99.88
         31 |          2        0.02       99.90
         32 |          1        0.01       99.91
         33 |          1        0.01       99.92
         37 |          3        0.03       99.95
         39 |          1        0.01       99.96
         40 |          1        0.01       99.97
         44 |          1        0.01       99.98
         49 |          1        0.01       99.99
         65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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