Frequencies for first 10,000 rows of pct0040004 variable in sf12010860us15 dataset :

  (M52-R98) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,968       99.68       99.68
          1 |         22        0.22       99.90
          2 |          3        0.03       99.93
          3 |          4        0.04       99.97
          4 |          1        0.01       99.98
          5 |          1        0.01       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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