Frequencies for first 10,000 rows of pct012n065 variable in sf12000860us29 dataset :

   62 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,738       97.38       97.38
          1 |        200        2.00       99.38
          2 |         36        0.36       99.74
          3 |         13        0.13       99.87
          4 |          5        0.05       99.92
          5 |          5        0.05       99.97
          6 |          1        0.01       99.98
         11 |          1        0.01       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017