Frequencies for first 10,000 rows of pct012k111 variable in sf12000860us26 dataset :

    4 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,010       90.10       90.10
          1 |        695        6.95       97.05
          2 |        177        1.77       98.82
          3 |         51        0.51       99.33
          4 |         25        0.25       99.58
          5 |          7        0.07       99.65
          6 |          9        0.09       99.74
          7 |          2        0.02       99.76
          8 |          2        0.02       99.78
         10 |          5        0.05       99.83
         11 |          2        0.02       99.85
         12 |          2        0.02       99.87
         13 |          1        0.01       99.88
         14 |          2        0.02       99.90
         15 |          1        0.01       99.91
         20 |          1        0.01       99.92
         26 |          1        0.01       99.93
         32 |          1        0.01       99.94
         33 |          1        0.01       99.95
         43 |          1        0.01       99.96
         46 |          1        0.01       99.97
         59 |          1        0.01       99.98
         65 |          1        0.01       99.99
         81 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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