Frequencies for first 10,000 rows of pct012g176 variable in sf12000860us22 dataset :

   69 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,401       84.01       84.01
          1 |        931        9.31       93.32
          2 |        279        2.79       96.11
          3 |        139        1.39       97.50
          4 |         76        0.76       98.26
          5 |         42        0.42       98.68
          6 |         31        0.31       98.99
          7 |         21        0.21       99.20
          8 |         19        0.19       99.39
          9 |         17        0.17       99.56
         10 |          6        0.06       99.62
         11 |         11        0.11       99.73
         12 |          5        0.05       99.78
         13 |          3        0.03       99.81
         14 |          3        0.03       99.84
         15 |          6        0.06       99.90
         16 |          3        0.03       99.93
         17 |          2        0.02       99.95
         18 |          1        0.01       99.96
         19 |          1        0.01       99.97
         20 |          2        0.02       99.99
         26 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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