Frequencies for first 10,000 rows of pct0030026 variable in sf12010860us15 dataset :

  (400-999) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,997       79.97       79.97
          1 |        890        8.90       88.87
          2 |        349        3.49       92.36
          3 |        273        2.73       95.09
          4 |        160        1.60       96.69
          5 |        115        1.15       97.84
          6 |         68        0.68       98.52
          7 |         31        0.31       98.83
          8 |         38        0.38       99.21
          9 |         25        0.25       99.46
         10 |         11        0.11       99.57
         11 |          6        0.06       99.63
         12 |          8        0.08       99.71
         13 |          3        0.03       99.74
         14 |          7        0.07       99.81
         15 |          3        0.03       99.84
         16 |          5        0.05       99.89
         17 |          1        0.01       99.90
         19 |          2        0.02       99.92
         20 |          3        0.03       99.95
         22 |          1        0.01       99.96
         24 |          1        0.01       99.97
         25 |          2        0.02       99.99
         31 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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