Frequencies for first 10,000 rows of pct012e014 variable in sf12010860us24 dataset :

   11 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,736       97.36       97.36
          1 |        231        2.31       99.67
          2 |         26        0.26       99.93
          3 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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