Frequencies for first 10,000 rows of pct012e006 variable in sf12000860us20 dataset :

    3 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,764       97.64       97.64
          1 |        207        2.07       99.71
          2 |         20        0.20       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