Frequencies for first 10,000 rows of pct012g175 variable in sf12010860us26 dataset :

   68 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,003       80.03       80.03
          1 |      1,188       11.88       91.91
          2 |        378        3.78       95.69
          3 |        158        1.58       97.27
          4 |         90        0.90       98.17
          5 |         48        0.48       98.65
          6 |         35        0.35       99.00
          7 |         22        0.22       99.22
          8 |         20        0.20       99.42
          9 |         12        0.12       99.54
         10 |         15        0.15       99.69
         11 |          8        0.08       99.77
         12 |          6        0.06       99.83
         13 |          3        0.03       99.86
         14 |          4        0.04       99.90
         15 |          1        0.01       99.91
         16 |          1        0.01       99.92
         17 |          1        0.01       99.93
         18 |          1        0.01       99.94
         19 |          2        0.02       99.96
         21 |          3        0.03       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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