Frequencies for first 10,000 rows of pct012n124 variable in sf12000860us29 dataset :

   17 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,003       90.03       90.03
          1 |        680        6.80       96.83
          2 |        182        1.82       98.65
          3 |         56        0.56       99.21
          4 |         18        0.18       99.39
          5 |         24        0.24       99.63
          6 |         12        0.12       99.75
          7 |          5        0.05       99.80
          8 |          3        0.03       99.83
         10 |          3        0.03       99.86
         11 |          2        0.02       99.88
         13 |          3        0.03       99.91
         14 |          1        0.01       99.92
         17 |          1        0.01       99.93
         23 |          1        0.01       99.94
         24 |          1        0.01       99.95
         25 |          2        0.02       99.97
         30 |          1        0.01       99.98
         40 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017