Frequencies for first 10,000 rows of pct012j199 variable in sf12000860us25 dataset :

   92 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,440       84.40       84.40
          1 |        759        7.59       91.99
          2 |        312        3.12       95.11
          3 |        131        1.31       96.42
          4 |         91        0.91       97.33
          5 |         59        0.59       97.92
          6 |         41        0.41       98.33
          7 |         33        0.33       98.66
          8 |         20        0.20       98.86
          9 |         19        0.19       99.05
         10 |         13        0.13       99.18
         11 |         14        0.14       99.32
         12 |         10        0.10       99.42
         13 |          8        0.08       99.50
         14 |          5        0.05       99.55
         15 |          5        0.05       99.60
         16 |          8        0.08       99.68
         17 |          6        0.06       99.74
         18 |          3        0.03       99.77
         19 |          4        0.04       99.81
         20 |          3        0.03       99.84
         21 |          1        0.01       99.85
         22 |          4        0.04       99.89
         24 |          1        0.01       99.90
         25 |          1        0.01       99.91
         27 |          1        0.01       99.92
         29 |          2        0.02       99.94
         31 |          1        0.01       99.95
         32 |          1        0.01       99.96
         35 |          2        0.02       99.98
         36 |          1        0.01       99.99
         41 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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