Frequencies for first 10,000 rows of pct012n133 variable in sf12000860us29 dataset :

   26 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,236       92.36       92.36
          1 |        498        4.98       97.34
          2 |        123        1.23       98.57
          3 |         50        0.50       99.07
          4 |         32        0.32       99.39
          5 |         15        0.15       99.54
          6 |         12        0.12       99.66
          7 |          3        0.03       99.69
          8 |          5        0.05       99.74
          9 |          4        0.04       99.78
         10 |          2        0.02       99.80
         11 |          6        0.06       99.86
         13 |          5        0.05       99.91
         16 |          1        0.01       99.92
         18 |          1        0.01       99.93
         20 |          1        0.01       99.94
         21 |          2        0.02       99.96
         27 |          1        0.01       99.97
         30 |          1        0.01       99.98
         38 |          1        0.01       99.99
         43 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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