Frequencies for first 10,000 rows of pct012i204 variable in sf12000860us24 dataset :

   97 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,431       64.31       64.31
          1 |      1,388       13.88       78.19
          2 |        675        6.75       84.94
          3 |        377        3.77       88.71
          4 |        286        2.86       91.57
          5 |        209        2.09       93.66
          6 |        162        1.62       95.28
          7 |        125        1.25       96.53
          8 |         93        0.93       97.46
          9 |         52        0.52       97.98
         10 |         48        0.48       98.46
         11 |         28        0.28       98.74
         12 |         35        0.35       99.09
         13 |         17        0.17       99.26
         14 |         17        0.17       99.43
         15 |         11        0.11       99.54
         16 |          8        0.08       99.62
         17 |          7        0.07       99.69
         18 |          5        0.05       99.74
         19 |          2        0.02       99.76
         20 |          2        0.02       99.78
         21 |          3        0.03       99.81
         22 |          2        0.02       99.83
         23 |          2        0.02       99.85
         24 |          3        0.03       99.88
         25 |          1        0.01       99.89
         26 |          4        0.04       99.93
         27 |          3        0.03       99.96
         28 |          1        0.01       99.97
         32 |          1        0.01       99.98
         33 |          1        0.01       99.99
         34 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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