Frequencies for first 10,000 rows of pct012096 variable in sf12000860us14 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,935       59.35       59.35
          1 |      1,601       16.01       75.36
          2 |        841        8.41       83.77
          3 |        498        4.98       88.75
          4 |        340        3.40       92.15
          5 |        207        2.07       94.22
          6 |        164        1.64       95.86
          7 |        112        1.12       96.98
          8 |         90        0.90       97.88
          9 |         53        0.53       98.41
         10 |         38        0.38       98.79
         11 |         22        0.22       99.01
         12 |         18        0.18       99.19
         13 |         18        0.18       99.37
         14 |         13        0.13       99.50
         15 |          9        0.09       99.59
         16 |         18        0.18       99.77
         17 |          3        0.03       99.80
         18 |          1        0.01       99.81
         19 |          2        0.02       99.83
         20 |          2        0.02       99.85
         21 |          5        0.05       99.90
         24 |          1        0.01       99.91
         25 |          1        0.01       99.92
         28 |          2        0.02       99.94
         29 |          2        0.02       99.96
         31 |          1        0.01       99.97
         34 |          1        0.01       99.98
         36 |          1        0.01       99.99
         37 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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