Frequencies for first 10,000 rows of pct0030050 variable in sf12010880us15 dataset :

      (300, |
A01-Z99) or |
  (400-999) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,578       95.78       95.78
          1 |        254        2.54       98.32
          2 |         86        0.86       99.18
          3 |         52        0.52       99.70
          4 |         20        0.20       99.90
          5 |          6        0.06       99.96
          6 |          1        0.01       99.97
          7 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017