Frequencies for first 10,000 rows of pct012c121 variable in sf12010860us22 dataset :

   14 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,402       84.02       84.02
          1 |        994        9.94       93.96
          2 |        295        2.95       96.91
          3 |        132        1.32       98.23
          4 |         61        0.61       98.84
          5 |         33        0.33       99.17
          6 |         30        0.30       99.47
          7 |         16        0.16       99.63
          8 |          9        0.09       99.72
          9 |          2        0.02       99.74
         10 |          5        0.05       99.79
         11 |          1        0.01       99.80
         12 |          2        0.02       99.82
         14 |          5        0.05       99.87
         16 |          1        0.01       99.88
         18 |          1        0.01       99.89
         21 |          2        0.02       99.91
         26 |          1        0.01       99.92
         28 |          1        0.01       99.93
         33 |          1        0.01       99.94
         41 |          1        0.01       99.95
         51 |          1        0.01       99.96
         56 |          1        0.01       99.97
         67 |          1        0.01       99.98
         71 |          1        0.01       99.99
         84 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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