Frequencies for first 10,000 rows of pct012e117 variable in sf12010880us24 dataset :

   10 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,808       98.08       98.08
          1 |        170        1.70       99.78
          2 |         19        0.19       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017