Frequencies for first 10,000 rows of pct012o165 variable in sf12000860us30 dataset :

   58 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,160       81.60       81.60
          1 |      1,137       11.37       92.97
          2 |        355        3.55       96.52
          3 |        154        1.54       98.06
          4 |         74        0.74       98.80
          5 |         36        0.36       99.16
          6 |         18        0.18       99.34
          7 |         21        0.21       99.55
          8 |         13        0.13       99.68
          9 |         13        0.13       99.81
         10 |          4        0.04       99.85
         11 |          4        0.04       99.89
         12 |          1        0.01       99.90
         13 |          2        0.02       99.92
         15 |          1        0.01       99.93
         16 |          1        0.01       99.94
         17 |          2        0.02       99.96
         19 |          2        0.02       99.98
         20 |          1        0.01       99.99
         32 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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