Frequencies for first 10,000 rows of pct012g147 variable in sf12010860us26 dataset :

   40 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,414       64.14       64.14
          1 |      1,359       13.59       77.73
          2 |        618        6.18       83.91
          3 |        381        3.81       87.72
          4 |        262        2.62       90.34
          5 |        180        1.80       92.14
          6 |        154        1.54       93.68
          7 |        120        1.20       94.88
          8 |         95        0.95       95.83
          9 |         66        0.66       96.49
         10 |         61        0.61       97.10
         11 |         42        0.42       97.52
         12 |         37        0.37       97.89
         13 |         34        0.34       98.23
         14 |         31        0.31       98.54
         15 |         22        0.22       98.76
         16 |         16        0.16       98.92
         17 |         12        0.12       99.04
         18 |         10        0.10       99.14
         19 |         14        0.14       99.28
         20 |         10        0.10       99.38
         21 |          7        0.07       99.45
         22 |          9        0.09       99.54
         24 |          9        0.09       99.63
         25 |          1        0.01       99.64
         26 |          5        0.05       99.69
         27 |          3        0.03       99.72
         28 |          3        0.03       99.75
         29 |          5        0.05       99.80
         30 |          3        0.03       99.83
         31 |          1        0.01       99.84
         32 |          1        0.01       99.85
         33 |          1        0.01       99.86
         34 |          1        0.01       99.87
         36 |          1        0.01       99.88
         38 |          2        0.02       99.90
         39 |          1        0.01       99.91
         40 |          1        0.01       99.92
         41 |          1        0.01       99.93
         42 |          2        0.02       99.95
         43 |          1        0.01       99.96
         46 |          1        0.01       99.97
         51 |          1        0.01       99.98
         57 |          1        0.01       99.99
         64 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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