Frequencies for first 10,000 rows of pct012g162 variable in sf12000860us22 dataset :

   55 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,675       76.75       76.75
          1 |      1,177       11.77       88.52
          2 |        441        4.41       92.93
          3 |        233        2.33       95.26
          4 |        126        1.26       96.52
          5 |         73        0.73       97.25
          6 |         47        0.47       97.72
          7 |         31        0.31       98.03
          8 |         33        0.33       98.36
          9 |         22        0.22       98.58
         10 |         18        0.18       98.76
         11 |         19        0.19       98.95
         12 |         10        0.10       99.05
         13 |         12        0.12       99.17
         14 |         18        0.18       99.35
         15 |          9        0.09       99.44
         16 |         12        0.12       99.56
         17 |          6        0.06       99.62
         18 |          5        0.05       99.67
         19 |          4        0.04       99.71
         20 |          9        0.09       99.80
         21 |          1        0.01       99.81
         22 |          2        0.02       99.83
         23 |          3        0.03       99.86
         24 |          2        0.02       99.88
         25 |          3        0.03       99.91
         26 |          1        0.01       99.92
         27 |          1        0.01       99.93
         29 |          3        0.03       99.96
         30 |          1        0.01       99.97
         31 |          1        0.01       99.98
         34 |          1        0.01       99.99
         47 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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