Frequencies for first 10,000 rows of pct012a095 variable in sf12010860us20 dataset :

   92 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,962       49.62       49.62
          1 |      1,549       15.49       65.11
          2 |        791        7.91       73.02
          3 |        562        5.62       78.64
          4 |        409        4.09       82.73
          5 |        324        3.24       85.97
          6 |        231        2.31       88.28
          7 |        199        1.99       90.27
          8 |        171        1.71       91.98
          9 |        140        1.40       93.38
         10 |        113        1.13       94.51
         11 |         93        0.93       95.44
         12 |         69        0.69       96.13
         13 |         53        0.53       96.66
         14 |         73        0.73       97.39
         15 |         47        0.47       97.86
         16 |         37        0.37       98.23
         17 |         28        0.28       98.51
         18 |         25        0.25       98.76
         19 |         17        0.17       98.93
         20 |         18        0.18       99.11
         21 |         13        0.13       99.24
         22 |         10        0.10       99.34
         23 |         10        0.10       99.44
         24 |          7        0.07       99.51
         25 |          9        0.09       99.60
         26 |          5        0.05       99.65
         27 |          1        0.01       99.66
         28 |          2        0.02       99.68
         29 |          3        0.03       99.71
         30 |          5        0.05       99.76
         31 |          6        0.06       99.82
         32 |          3        0.03       99.85
         33 |          3        0.03       99.88
         34 |          3        0.03       99.91
         37 |          1        0.01       99.92
         39 |          2        0.02       99.94
         47 |          1        0.01       99.95
         53 |          1        0.01       99.96
         55 |          1        0.01       99.97
         56 |          1        0.01       99.98
         60 |          1        0.01       99.99
         61 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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