Frequencies for first 10,000 rows of pct0040007 variable in sf12010860us15 dataset :

& (M52-R98) |
& (100-299) |
         or |
  (400-999) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,954       99.54       99.54
          1 |         38        0.38       99.92
          2 |          7        0.07       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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