Frequencies for first 10,000 rows of pct012e007 variable in sf12010860us24 dataset :

    4 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,693       96.93       96.93
          1 |        260        2.60       99.53
          2 |         37        0.37       99.90
          3 |          6        0.06       99.96
          4 |          2        0.02       99.98
          8 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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