Frequencies for first 10,000 rows of pct012n162 variable in sf12010860us33 dataset :

   55 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,351       93.51       93.51
          1 |        437        4.37       97.88
          2 |        111        1.11       98.99
          3 |         44        0.44       99.43
          4 |         20        0.20       99.63
          5 |         11        0.11       99.74
          6 |          2        0.02       99.76
          7 |          3        0.03       99.79
          8 |          5        0.05       99.84
          9 |          2        0.02       99.86
         10 |          3        0.03       99.89
         11 |          2        0.02       99.91
         12 |          1        0.01       99.92
         13 |          2        0.02       99.94
         14 |          1        0.01       99.95
         16 |          1        0.01       99.96
         17 |          1        0.01       99.97
         28 |          1        0.01       99.98
         34 |          1        0.01       99.99
         42 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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