Frequencies for first 10,000 rows of pct012k058 variable in sf12000860us26 dataset :

   55 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,176       91.76       91.76
          1 |        671        6.71       98.47
          2 |         98        0.98       99.45
          3 |         23        0.23       99.68
          4 |          5        0.05       99.73
          5 |          7        0.07       99.80
          6 |          4        0.04       99.84
          7 |          3        0.03       99.87
          8 |          3        0.03       99.90
          9 |          2        0.02       99.92
         10 |          1        0.01       99.93
         15 |          1        0.01       99.94
         16 |          1        0.01       99.95
         17 |          1        0.01       99.96
         21 |          1        0.01       99.97
         32 |          1        0.01       99.98
         45 |          1        0.01       99.99
         54 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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