Frequencies for first 10,000 rows of pct012n049 variable in sf12010860us33 dataset :

   46 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,201       92.01       92.01
          1 |        531        5.31       97.32
          2 |        137        1.37       98.69
          3 |         48        0.48       99.17
          4 |         26        0.26       99.43
          5 |         13        0.13       99.56
          6 |          2        0.02       99.58
          7 |          7        0.07       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 , 17 Apr 2017