Frequencies for first 10,000 rows of pct012m013 variable in sf12010860us32 dataset :

   10 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,808       98.08       98.08
          1 |        168        1.68       99.76
          2 |         22        0.22       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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