Frequencies for first 10,000 rows of pct012m132 variable in sf12010860us32 dataset :

   25 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,731       97.31       97.31
          1 |        235        2.35       99.66
          2 |         25        0.25       99.91
          3 |          6        0.06       99.97
          4 |          1        0.01       99.98
          5 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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