Frequencies for first 10,000 rows of age variable in person dataset :

        age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         41        0.41        0.41
          1 |         62        0.62        1.03
          2 |         52        0.52        1.55
          3 |         53        0.53        2.08
          4 |         44        0.44        2.52
          5 |         59        0.59        3.11
          6 |         41        0.41        3.52
          7 |         52        0.52        4.04
          8 |         45        0.45        4.49
          9 |         63        0.63        5.12
         10 |         50        0.50        5.62
         11 |         65        0.65        6.27
         12 |         53        0.53        6.80
         13 |         67        0.67        7.47
         14 |         64        0.64        8.11
         15 |         84        0.84        8.95
         16 |        159        1.59       10.54
         17 |        179        1.79       12.33
         18 |        276        2.76       15.09
         19 |        273        2.73       17.82
         20 |        273        2.73       20.55
         21 |        296        2.96       23.51
         22 |        294        2.94       26.45
         23 |        248        2.48       28.93
         24 |        247        2.47       31.40
         25 |        216        2.16       33.56
         26 |        188        1.88       35.44
         27 |        170        1.70       37.14
         28 |        193        1.93       39.07
         29 |        175        1.75       40.82
         30 |        195        1.95       42.77
         31 |        150        1.50       44.27
         32 |        172        1.72       45.99
         33 |        137        1.37       47.36
         34 |        148        1.48       48.84
         35 |        146        1.46       50.30
         36 |         97        0.97       51.27
         37 |        134        1.34       52.61
         38 |        121        1.21       53.82
         39 |        139        1.39       55.21
         40 |        133        1.33       56.54
         41 |        157        1.57       58.11
         42 |        140        1.40       59.51
         43 |        127        1.27       60.78
         44 |        127        1.27       62.05
         45 |        136        1.36       63.41
         46 |        115        1.15       64.56
         47 |        122        1.22       65.78
         48 |        131        1.31       67.09
         49 |        125        1.25       68.34
         50 |        137        1.37       69.71
         51 |        150        1.50       71.21
         52 |        145        1.45       72.66
         53 |        140        1.40       74.06
         54 |        144        1.44       75.50
         55 |        145        1.45       76.95
         56 |        140        1.40       78.35
         57 |        121        1.21       79.56
         58 |        126        1.26       80.82
         59 |        119        1.19       82.01
         60 |        101        1.01       83.02
         61 |        109        1.09       84.11
         62 |         92        0.92       85.03
         63 |         84        0.84       85.87
         64 |         90        0.90       86.77
         65 |         82        0.82       87.59
         66 |         67        0.67       88.26
         67 |         61        0.61       88.87
         68 |         64        0.64       89.51
         69 |         66        0.66       90.17
         70 |         54        0.54       90.71
         71 |         46        0.46       91.17
         72 |         59        0.59       91.76
         73 |         52        0.52       92.28
         74 |         41        0.41       92.69
         75 |         39        0.39       93.08
         76 |         39        0.39       93.47
         77 |         44        0.44       93.91
         78 |         29        0.29       94.20
         79 |         35        0.35       94.55
         80 |         42        0.42       94.97
         81 |         31        0.31       95.28
         82 |         37        0.37       95.65
         83 |         29        0.29       95.94
         84 |         36        0.36       96.30
         85 |         15        0.15       96.45
         86 |         21        0.21       96.66
         87 |         20        0.20       96.86
         88 |         12        0.12       96.98
         89 |         16        0.16       97.14
         90 |         12        0.12       97.26
         91 |          8        0.08       97.34
         92 |          6        0.06       97.40
         93 |          2        0.02       97.42
         94 |          4        0.04       97.46
         95 |          2        0.02       97.48
         96 |          2        0.02       97.50
         97 |          2        0.02       97.52
         98 |          2        0.02       97.54
        101 |          1        0.01       97.55
        998 |         60        0.60       98.15
        999 |        185        1.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016