Frequencies for first 10,000 rows of pct012f185 variable in sf12000860us21 dataset :

   78 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,288       92.88       92.88
          1 |        382        3.82       96.70
          2 |        102        1.02       97.72
          3 |         69        0.69       98.41
          4 |         26        0.26       98.67
          5 |         31        0.31       98.98
          6 |         19        0.19       99.17
          7 |         17        0.17       99.34
          8 |          5        0.05       99.39
          9 |          5        0.05       99.44
         10 |         11        0.11       99.55
         11 |          4        0.04       99.59
         12 |          4        0.04       99.63
         13 |          3        0.03       99.66
         14 |          3        0.03       99.69
         15 |          4        0.04       99.73
         16 |          4        0.04       99.77
         17 |          5        0.05       99.82
         18 |          3        0.03       99.85
         19 |          1        0.01       99.86
         20 |          2        0.02       99.88
         21 |          1        0.01       99.89
         22 |          4        0.04       99.93
         23 |          1        0.01       99.94
         24 |          2        0.02       99.96
         25 |          2        0.02       99.98
         32 |          1        0.01       99.99
         50 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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