Frequencies for first 10,000 rows of pct012e044 variable in sf12010860us24 dataset :

   41 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,681       96.81       96.81
          1 |        288        2.88       99.69
          2 |         26        0.26       99.95
          3 |          4        0.04       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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