Frequencies for first 10,000 rows of pct012203 variable in sf12000860us14 dataset :

   96 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,526       55.26       55.26
          1 |      1,443       14.43       69.69
          2 |        763        7.63       77.32
          3 |        472        4.72       82.04
          4 |        366        3.66       85.70
          5 |        271        2.71       88.41
          6 |        217        2.17       90.58
          7 |        164        1.64       92.22
          8 |        145        1.45       93.67
          9 |        134        1.34       95.01
         10 |         83        0.83       95.84
         11 |         78        0.78       96.62
         12 |         64        0.64       97.26
         13 |         50        0.50       97.76
         14 |         33        0.33       98.09
         15 |         31        0.31       98.40
         16 |         22        0.22       98.62
         17 |         25        0.25       98.87
         18 |         18        0.18       99.05
         19 |         20        0.20       99.25
         20 |          9        0.09       99.34
         21 |         16        0.16       99.50
         22 |          8        0.08       99.58
         23 |          5        0.05       99.63
         24 |          3        0.03       99.66
         25 |          9        0.09       99.75
         26 |          2        0.02       99.77
         27 |          4        0.04       99.81
         28 |          5        0.05       99.86
         29 |          2        0.02       99.88
         34 |          1        0.01       99.89
         35 |          2        0.02       99.91
         36 |          2        0.02       99.93
         37 |          1        0.01       99.94
         38 |          1        0.01       99.95
         39 |          2        0.02       99.97
         41 |          2        0.02       99.99
         64 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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