Frequencies for first 10,000 rows of pct012k121 variable in sf12010860us30 dataset :

   14 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,847       88.47       88.47
          1 |        838        8.38       96.85
          2 |        189        1.89       98.74
          3 |         62        0.62       99.36
          4 |         21        0.21       99.57
          5 |         11        0.11       99.68
          6 |         11        0.11       99.79
          7 |          3        0.03       99.82
          8 |          2        0.02       99.84
          9 |          1        0.01       99.85
         10 |          1        0.01       99.86
         11 |          2        0.02       99.88
         14 |          1        0.01       99.89
         18 |          1        0.01       99.90
         21 |          1        0.01       99.91
         26 |          1        0.01       99.92
         28 |          1        0.01       99.93
         33 |          1        0.01       99.94
         40 |          1        0.01       99.95
         47 |          1        0.01       99.96
         50 |          1        0.01       99.97
         65 |          1        0.01       99.98
         70 |          1        0.01       99.99
         83 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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