Frequencies for first 10,000 rows of pct012e010 variable in sf12000860us20 dataset :

    7 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,742       97.42       97.42
          1 |        218        2.18       99.60
          2 |         31        0.31       99.91
          3 |          8        0.08       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017