Frequencies for first 10,000 rows of pct012e111 variable in sf12000860us20 dataset :

    4 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,721       97.21       97.21
          1 |        259        2.59       99.80
          2 |         18        0.18       99.98
          3 |          1        0.01       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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