Frequencies for first 10,000 rows of PCT012B075 variable in sf12000860us17 dataset :

   72 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,783       67.83       67.83
          1 |        951        9.51       77.34
          2 |        480        4.80       82.14
          3 |        343        3.43       85.57
          4 |        228        2.28       87.85
          5 |        192        1.92       89.77
          6 |        133        1.33       91.10
          7 |        101        1.01       92.11
          8 |         85        0.85       92.96
          9 |         76        0.76       93.72
         10 |         54        0.54       94.26
         11 |         69        0.69       94.95
         12 |         33        0.33       95.28
         13 |         36        0.36       95.64
         14 |         34        0.34       95.98
         15 |         24        0.24       96.22
         16 |         23        0.23       96.45
         17 |         28        0.28       96.73
         18 |         18        0.18       96.91
         19 |         21        0.21       97.12
         20 |         17        0.17       97.29
         21 |         16        0.16       97.45
         22 |         10        0.10       97.55
         23 |         11        0.11       97.66
         24 |          6        0.06       97.72
         25 |         15        0.15       97.87
         26 |         11        0.11       97.98
         27 |          9        0.09       98.07
         28 |          7        0.07       98.14
         29 |          7        0.07       98.21
         30 |          9        0.09       98.30
         31 |          7        0.07       98.37
         32 |          3        0.03       98.40
         33 |          6        0.06       98.46
         34 |          2        0.02       98.48
         35 |          8        0.08       98.56
         36 |          8        0.08       98.64
         37 |          4        0.04       98.68
         38 |          5        0.05       98.73
         39 |          4        0.04       98.77
         40 |          5        0.05       98.82
         42 |          5        0.05       98.87
         43 |          4        0.04       98.91
         44 |          7        0.07       98.98
         45 |          4        0.04       99.02
         46 |          4        0.04       99.06
         47 |          4        0.04       99.10
         48 |          4        0.04       99.14
         49 |          3        0.03       99.17
         50 |          3        0.03       99.20
         51 |          5        0.05       99.25
         52 |          2        0.02       99.27
         54 |          3        0.03       99.30
         55 |          3        0.03       99.33
         56 |          2        0.02       99.35
         57 |          3        0.03       99.38
         58 |          3        0.03       99.41
         59 |          3        0.03       99.44
         60 |          3        0.03       99.47
         61 |          1        0.01       99.48
         62 |          2        0.02       99.50
         64 |          1        0.01       99.51
         67 |          2        0.02       99.53
         68 |          1        0.01       99.54
         70 |          3        0.03       99.57
         73 |          1        0.01       99.58
         74 |          3        0.03       99.61
         75 |          1        0.01       99.62
         77 |          2        0.02       99.64
         78 |          1        0.01       99.65
         80 |          1        0.01       99.66
         81 |          1        0.01       99.67
         82 |          1        0.01       99.68
         83 |          2        0.02       99.70
         84 |          2        0.02       99.72
         85 |          1        0.01       99.73
         86 |          3        0.03       99.76
         87 |          2        0.02       99.78
         88 |          1        0.01       99.79
         90 |          1        0.01       99.80
         92 |          1        0.01       99.81
         93 |          1        0.01       99.82
         94 |          1        0.01       99.83
         99 |          1        0.01       99.84
        100 |          1        0.01       99.85
        102 |          1        0.01       99.86
        104 |          2        0.02       99.88
        107 |          1        0.01       99.89
        108 |          1        0.01       99.90
        109 |          1        0.01       99.91
        117 |          1        0.01       99.92
        126 |          1        0.01       99.93
        130 |          1        0.01       99.94
        133 |          1        0.01       99.95
        144 |          2        0.02       99.97
        146 |          1        0.01       99.98
        171 |          1        0.01       99.99
        203 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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