Frequencies for first 10,000 rows of pct012o154 variable in sf12010860us34 dataset :

   47 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,867       68.67       68.67
          1 |      1,516       15.16       83.83
          2 |        674        6.74       90.57
          3 |        299        2.99       93.56
          4 |        205        2.05       95.61
          5 |        139        1.39       97.00
          6 |         98        0.98       97.98
          7 |         68        0.68       98.66
          8 |         45        0.45       99.11
          9 |         30        0.30       99.41
         10 |         14        0.14       99.55
         11 |         13        0.13       99.68
         12 |         11        0.11       99.79
         13 |          4        0.04       99.83
         14 |          3        0.03       99.86
         15 |          4        0.04       99.90
         16 |          1        0.01       99.91
         17 |          3        0.03       99.94
         19 |          2        0.02       99.96
         20 |          1        0.01       99.97
         26 |          1        0.01       99.98
         48 |          1        0.01       99.99
         63 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017