Frequencies for first 10,000 rows of pct012e015 variable in sf12010860us24 dataset :

   12 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,733       97.33       97.33
          1 |        238        2.38       99.71
          2 |         23        0.23       99.94
          3 |          3        0.03       99.97
          4 |          1        0.01       99.98
          5 |          1        0.01       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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