Frequencies for first 10,000 rows of pct012e012 variable in sf12010860us24 dataset :

    9 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,713       97.13       97.13
          1 |        246        2.46       99.59
          2 |         39        0.39       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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