Frequencies for first 10,000 rows of pct012h201 variable in sf12000860us23 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,569       95.69       95.69
          1 |        229        2.29       97.98
          2 |         63        0.63       98.61
          3 |         29        0.29       98.90
          4 |         20        0.20       99.10
          5 |         12        0.12       99.22
          6 |         13        0.13       99.35
          7 |         17        0.17       99.52
          8 |         11        0.11       99.63
          9 |          9        0.09       99.72
         10 |          6        0.06       99.78
         11 |          4        0.04       99.82
         12 |          4        0.04       99.86
         13 |          1        0.01       99.87
         14 |          2        0.02       99.89
         15 |          1        0.01       99.90
         16 |          1        0.01       99.91
         17 |          2        0.02       99.93
         20 |          3        0.03       99.96
         21 |          1        0.01       99.97
         22 |          1        0.01       99.98
         36 |          1        0.01       99.99
         43 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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