Frequencies for first 10,000 rows of pct012o162 variable in sf12010860us34 dataset :

   55 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,263       72.63       72.63
          1 |      1,397       13.97       86.60
          2 |        603        6.03       92.63
          3 |        324        3.24       95.87
          4 |        158        1.58       97.45
          5 |         93        0.93       98.38
          6 |         48        0.48       98.86
          7 |         48        0.48       99.34
          8 |         20        0.20       99.54
          9 |          8        0.08       99.62
         10 |          9        0.09       99.71
         11 |         10        0.10       99.81
         12 |          3        0.03       99.84
         13 |          4        0.04       99.88
         14 |          1        0.01       99.89
         16 |          4        0.04       99.93
         18 |          2        0.02       99.95
         22 |          1        0.01       99.96
         24 |          2        0.02       99.98
         28 |          1        0.01       99.99
         53 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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