Frequencies for first 10,000 rows of pct012m012 variable in sf12010860us32 dataset :

    9 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,808       98.08       98.08
          1 |        166        1.66       99.74
          2 |         25        0.25       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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