Frequencies for first 10,000 rows of pct012n015 variable in sf12010860us33 dataset :

   12 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,579       85.79       85.79
          1 |        937        9.37       95.16
          2 |        282        2.82       97.98
          3 |         93        0.93       98.91
          4 |         41        0.41       99.32
          5 |         21        0.21       99.53
          6 |          8        0.08       99.61
          7 |          9        0.09       99.70
          8 |          4        0.04       99.74
          9 |          7        0.07       99.81
         10 |          3        0.03       99.84
         11 |          2        0.02       99.86
         12 |          3        0.03       99.89
         13 |          1        0.01       99.90
         14 |          1        0.01       99.91
         17 |          1        0.01       99.92
         18 |          1        0.01       99.93
         19 |          1        0.01       99.94
         23 |          2        0.02       99.96
         24 |          1        0.01       99.97
         29 |          1        0.01       99.98
         41 |          1        0.01       99.99
         47 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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