Frequencies for first 10,000 rows of pct012095 variable in sf12000860us14 dataset :

   92 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,378       53.78       53.78
          1 |      1,643       16.43       70.21
          2 |        820        8.20       78.41
          3 |        545        5.45       83.86
          4 |        364        3.64       87.50
          5 |        281        2.81       90.31
          6 |        218        2.18       92.49
          7 |        183        1.83       94.32
          8 |        139        1.39       95.71
          9 |         94        0.94       96.65
         10 |         66        0.66       97.31
         11 |         56        0.56       97.87
         12 |         39        0.39       98.26
         13 |         33        0.33       98.59
         14 |         20        0.20       98.79
         15 |         27        0.27       99.06
         16 |         18        0.18       99.24
         17 |         10        0.10       99.34
         18 |         11        0.11       99.45
         19 |         12        0.12       99.57
         20 |          5        0.05       99.62
         21 |          5        0.05       99.67
         22 |          6        0.06       99.73
         23 |          6        0.06       99.79
         24 |          3        0.03       99.82
         25 |          3        0.03       99.85
         26 |          1        0.01       99.86
         27 |          2        0.02       99.88
         29 |          3        0.03       99.91
         31 |          3        0.03       99.94
         32 |          1        0.01       99.95
         36 |          1        0.01       99.96
         38 |          1        0.01       99.97
         40 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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