Frequencies for first 10,000 rows of pct012i097 variable in sf12000860us24 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,866       68.66       68.66
          1 |      1,480       14.80       83.46
          2 |        702        7.02       90.48
          3 |        392        3.92       94.40
          4 |        198        1.98       96.38
          5 |        125        1.25       97.63
          6 |         76        0.76       98.39
          7 |         53        0.53       98.92
          8 |         30        0.30       99.22
          9 |         18        0.18       99.40
         10 |         23        0.23       99.63
         11 |         11        0.11       99.74
         12 |          6        0.06       99.80
         13 |          4        0.04       99.84
         14 |          2        0.02       99.86
         15 |          1        0.01       99.87
         16 |          1        0.01       99.88
         17 |          3        0.03       99.91
         18 |          1        0.01       99.92
         19 |          2        0.02       99.94
         21 |          1        0.01       99.95
         22 |          1        0.01       99.96
         23 |          1        0.01       99.97
         27 |          2        0.02       99.99
         29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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