Frequencies for first 10,000 rows of pct0040006 variable in sf12010860us15 dataset :

  (400-999) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,091       90.91       90.91
          1 |        520        5.20       96.11
          2 |        201        2.01       98.12
          3 |         97        0.97       99.09
          4 |         51        0.51       99.60
          5 |         21        0.21       99.81
          6 |         11        0.11       99.92
          7 |          4        0.04       99.96
          8 |          3        0.03       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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