Frequencies for first 10,000 rows of pct0030012 variable in sf12010860us15 dataset :

  (400-999) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,407       74.07       74.07
          1 |      1,024       10.24       84.31
          2 |        470        4.70       89.01
          3 |        300        3.00       92.01
          4 |        230        2.30       94.31
          5 |        170        1.70       96.01
          6 |         94        0.94       96.95
          7 |         71        0.71       97.66
          8 |         58        0.58       98.24
          9 |         46        0.46       98.70
         10 |         33        0.33       99.03
         11 |         20        0.20       99.23
         12 |         17        0.17       99.40
         13 |         17        0.17       99.57
         14 |         11        0.11       99.68
         15 |          5        0.05       99.73
         16 |          6        0.06       99.79
         17 |          5        0.05       99.84
         18 |          3        0.03       99.87
         19 |          1        0.01       99.88
         21 |          1        0.01       99.89
         22 |          2        0.02       99.91
         23 |          1        0.01       99.92
         24 |          3        0.03       99.95
         25 |          2        0.02       99.97
         26 |          2        0.02       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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