Frequencies for first 10,000 rows of pct012k014 variable in sf12000860us26 dataset :

   11 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,811       88.11       88.11
          1 |        869        8.69       96.80
          2 |        186        1.86       98.66
          3 |         61        0.61       99.27
          4 |         23        0.23       99.50
          5 |         10        0.10       99.60
          6 |          7        0.07       99.67
          7 |          7        0.07       99.74
          8 |          4        0.04       99.78
          9 |          3        0.03       99.81
         10 |          2        0.02       99.83
         11 |          1        0.01       99.84
         13 |          1        0.01       99.85
         14 |          1        0.01       99.86
         15 |          2        0.02       99.88
         19 |          1        0.01       99.89
         22 |          1        0.01       99.90
         26 |          1        0.01       99.91
         31 |          2        0.02       99.93
         37 |          1        0.01       99.94
         42 |          1        0.01       99.95
         53 |          2        0.02       99.97
         56 |          1        0.01       99.98
         77 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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