Frequencies for first 10,000 rows of pct012m131 variable in sf12010860us32 dataset :

   24 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,711       97.11       97.11
          1 |        241        2.41       99.52
          2 |         37        0.37       99.89
          3 |          8        0.08       99.97
          4 |          2        0.02       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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