Frequencies for first 10,000 rows of pct0010017 variable in sf12010880us15 dataset :

       Crow |
  (C83-C86) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,870       98.70       98.70
          1 |        101        1.01       99.71
          2 |         14        0.14       99.85
          3 |          6        0.06       99.91
          4 |          5        0.05       99.96
          5 |          2        0.02       99.98
          6 |          1        0.01       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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