Frequencies for first 10,000 rows of pct012m127 variable in sf12010860us32 dataset :

   20 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,691       96.91       96.91
          1 |        260        2.60       99.51
          2 |         35        0.35       99.86
          3 |         11        0.11       99.97
          5 |          2        0.02       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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