Frequencies for first 10,000 rows of pct0030034 variable in sf12010860us15 dataset :

  (400-999) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,191       81.91       81.91
          1 |        812        8.12       90.03
          2 |        371        3.71       93.74
          3 |        231        2.31       96.05
          4 |        141        1.41       97.46
          5 |        105        1.05       98.51
          6 |         58        0.58       99.09
          7 |         27        0.27       99.36
          8 |         23        0.23       99.59
          9 |         17        0.17       99.76
         10 |          8        0.08       99.84
         11 |          5        0.05       99.89
         12 |          8        0.08       99.97
         13 |          1        0.01       99.98
         15 |          1        0.01       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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