Frequencies for first 10,000 rows of pct012n153 variable in sf12000860us29 dataset :

   46 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,363       93.63       93.63
          1 |        456        4.56       98.19
          2 |         92        0.92       99.11
          3 |         32        0.32       99.43
          4 |         18        0.18       99.61
          5 |          6        0.06       99.67
          6 |         10        0.10       99.77
          7 |          7        0.07       99.84
          8 |          1        0.01       99.85
          9 |          2        0.02       99.87
         10 |          2        0.02       99.89
         12 |          2        0.02       99.91
         13 |          2        0.02       99.93
         14 |          1        0.01       99.94
         16 |          2        0.02       99.96
         19 |          2        0.02       99.98
         23 |          1        0.01       99.99
         41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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