Frequencies for first 10,000 rows of pct012e126 variable in sf12000860us20 dataset :

   19 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,661       96.61       96.61
          1 |        267        2.67       99.28
          2 |         48        0.48       99.76
          3 |         11        0.11       99.87
          4 |          5        0.05       99.92
          5 |          3        0.03       99.95
          6 |          2        0.02       99.97
          7 |          1        0.01       99.98
          9 |          1        0.01       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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