Frequencies for first 10,000 rows of pct012m125 variable in sf12010860us32 dataset :

   18 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,774       97.74       97.74
          1 |        199        1.99       99.73
          2 |         22        0.22       99.95
          3 |          2        0.02       99.97
          4 |          2        0.02       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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