Frequencies for first 10,000 rows of pct012l181 variable in sf12000860us27 dataset :

   74 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,583       85.83       85.83
          1 |        688        6.88       92.71
          2 |        285        2.85       95.56
          3 |        146        1.46       97.02
          4 |         84        0.84       97.86
          5 |         60        0.60       98.46
          6 |         34        0.34       98.80
          7 |         24        0.24       99.04
          8 |         18        0.18       99.22
          9 |         11        0.11       99.33
         10 |         10        0.10       99.43
         11 |          8        0.08       99.51
         12 |          4        0.04       99.55
         13 |          5        0.05       99.60
         14 |          5        0.05       99.65
         15 |          4        0.04       99.69
         16 |          2        0.02       99.71
         17 |          4        0.04       99.75
         18 |          2        0.02       99.77
         19 |          1        0.01       99.78
         21 |          4        0.04       99.82
         22 |          1        0.01       99.83
         23 |          1        0.01       99.84
         26 |          1        0.01       99.85
         27 |          2        0.02       99.87
         28 |          2        0.02       99.89
         29 |          2        0.02       99.91
         30 |          2        0.02       99.93
         47 |          1        0.01       99.94
         52 |          1        0.01       99.95
         64 |          1        0.01       99.96
         69 |          1        0.01       99.97
         74 |          1        0.01       99.98
        115 |          1        0.01       99.99
        144 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017