Frequencies for first 10,000 rows of pct012n009 variable in sf12000860us29 dataset :

    6 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,638       86.38       86.38
          1 |        891        8.91       95.29
          2 |        254        2.54       97.83
          3 |        101        1.01       98.84
          4 |         43        0.43       99.27
          5 |         18        0.18       99.45
          6 |         11        0.11       99.56
          7 |         12        0.12       99.68
          8 |          6        0.06       99.74
          9 |          5        0.05       99.79
         10 |          4        0.04       99.83
         11 |          1        0.01       99.84
         12 |          5        0.05       99.89
         14 |          1        0.01       99.90
         17 |          1        0.01       99.91
         18 |          1        0.01       99.92
         20 |          1        0.01       99.93
         25 |          2        0.02       99.95
         26 |          1        0.01       99.96
         29 |          1        0.01       99.97
         37 |          1        0.01       99.98
         43 |          1        0.01       99.99
         47 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017