Frequencies for first 10,000 rows of pct012e026 variable in sf12010860us24 dataset :

   23 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,591       95.91       95.91
          1 |        324        3.24       99.15
          2 |         57        0.57       99.72
          3 |         13        0.13       99.85
          4 |          8        0.08       99.93
          5 |          5        0.05       99.98
          6 |          1        0.01       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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