Frequencies for first 10,000 rows of pct012n065 variable in sf12010860us33 dataset :

   62 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,538       95.38       95.38
          1 |        359        3.59       98.97
          2 |         61        0.61       99.58
          3 |         20        0.20       99.78
          4 |          7        0.07       99.85
          5 |          5        0.05       99.90
          6 |          2        0.02       99.92
          7 |          1        0.01       99.93
         10 |          1        0.01       99.94
         11 |          1        0.01       99.95
         12 |          1        0.01       99.96
         13 |          2        0.02       99.98
         15 |          1        0.01       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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