Frequencies for first 10,000 rows of pct0030010 variable in sf12010860us15 dataset :

  (400-999) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,961       89.61       89.61
          1 |        538        5.38       94.99
          2 |        207        2.07       97.06
          3 |        145        1.45       98.51
          4 |         53        0.53       99.04
          5 |         40        0.40       99.44
          6 |         25        0.25       99.69
          7 |         17        0.17       99.86
          8 |          7        0.07       99.93
          9 |          2        0.02       99.95
         10 |          2        0.02       99.97
         11 |          1        0.01       99.98
         12 |          1        0.01       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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