Frequencies for first 10,000 rows of pct012i092 variable in sf12000860us24 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,278       42.78       42.78
          1 |      1,746       17.46       60.24
          2 |        934        9.34       69.58
          3 |        542        5.42       75.00
          4 |        430        4.30       79.30
          5 |        336        3.36       82.66
          6 |        254        2.54       85.20
          7 |        222        2.22       87.42
          8 |        170        1.70       89.12
          9 |        162        1.62       90.74
         10 |        120        1.20       91.94
         11 |        119        1.19       93.13
         12 |        103        1.03       94.16
         13 |         74        0.74       94.90
         14 |         78        0.78       95.68
         15 |         58        0.58       96.26
         16 |         45        0.45       96.71
         17 |         54        0.54       97.25
         18 |         36        0.36       97.61
         19 |         40        0.40       98.01
         20 |         27        0.27       98.28
         21 |         17        0.17       98.45
         22 |         13        0.13       98.58
         23 |         11        0.11       98.69
         24 |         12        0.12       98.81
         25 |         11        0.11       98.92
         26 |         15        0.15       99.07
         27 |          8        0.08       99.15
         28 |         11        0.11       99.26
         29 |          7        0.07       99.33
         30 |          9        0.09       99.42
         31 |          4        0.04       99.46
         32 |          7        0.07       99.53
         33 |          8        0.08       99.61
         34 |          3        0.03       99.64
         35 |          1        0.01       99.65
         36 |          2        0.02       99.67
         37 |          4        0.04       99.71
         38 |          4        0.04       99.75
         39 |          2        0.02       99.77
         40 |          3        0.03       99.80
         41 |          2        0.02       99.82
         42 |          1        0.01       99.83
         43 |          1        0.01       99.84
         44 |          3        0.03       99.87
         45 |          1        0.01       99.88
         52 |          1        0.01       99.89
         55 |          1        0.01       99.90
         56 |          1        0.01       99.91
         60 |          1        0.01       99.92
         62 |          1        0.01       99.93
         65 |          1        0.01       99.94
         66 |          1        0.01       99.95
         67 |          1        0.01       99.96
         72 |          1        0.01       99.97
         78 |          1        0.01       99.98
         85 |          1        0.01       99.99
         97 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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