Frequencies for first 10,000 rows of pct012n049 variable in sf12010880us33 dataset :

   46 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,316       93.16       93.16
          1 |        447        4.47       97.63
          2 |        114        1.14       98.77
          3 |         44        0.44       99.21
          4 |         25        0.25       99.46
          5 |         11        0.11       99.57
          6 |          2        0.02       99.59
          7 |          6        0.06       99.65
          8 |          3        0.03       99.68
          9 |          3        0.03       99.71
         10 |          4        0.04       99.75
         11 |          3        0.03       99.78
         12 |          6        0.06       99.84
         13 |          1        0.01       99.85
         14 |          5        0.05       99.90
         15 |          1        0.01       99.91
         17 |          2        0.02       99.93
         22 |          2        0.02       99.95
         23 |          1        0.01       99.96
         27 |          1        0.01       99.97
         28 |          1        0.01       99.98
         34 |          1        0.01       99.99
         40 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017