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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         33        0.33        0.33
          1 |         62        0.62        0.95
          2 |         93        0.93        1.88
          3 |         81        0.81        2.69
          4 |         67        0.67        3.36
          5 |         66        0.66        4.02
          6 |         92        0.92        4.94
          7 |         63        0.63        5.57
          8 |         58        0.58        6.15
          9 |         66        0.66        6.81
         10 |         42        0.42        7.23
         11 |         63        0.63        7.86
         12 |         75        0.75        8.61
         13 |        104        1.04        9.65
         14 |        131        1.31       10.96
         15 |        174        1.74       12.70
         16 |        335        3.35       16.05
         17 |        419        4.19       20.24
         18 |        456        4.56       24.80
         19 |        496        4.96       29.76
         20 |        397        3.97       33.73
         21 |        392        3.92       37.65
         22 |        405        4.05       41.70
         23 |        313        3.13       44.83
         24 |        292        2.92       47.75
         25 |        295        2.95       50.70
         26 |        263        2.63       53.33
         27 |        232        2.32       55.65
         28 |        202        2.02       57.67
         29 |        205        2.05       59.72
         30 |        185        1.85       61.57
         31 |        142        1.42       62.99
         32 |        164        1.64       64.63
         33 |        137        1.37       66.00
         34 |        151        1.51       67.51
         35 |        120        1.20       68.71
         36 |        115        1.15       69.86
         37 |        105        1.05       70.91
         38 |         94        0.94       71.85
         39 |        112        1.12       72.97
         40 |         95        0.95       73.92
         41 |        109        1.09       75.01
         42 |         86        0.86       75.87
         43 |         75        0.75       76.62
         44 |         61        0.61       77.23
         45 |         89        0.89       78.12
         46 |         94        0.94       79.06
         47 |         74        0.74       79.80
         48 |         76        0.76       80.56
         49 |         85        0.85       81.41
         50 |         62        0.62       82.03
         51 |         68        0.68       82.71
         52 |         80        0.80       83.51
         53 |         70        0.70       84.21
         54 |         89        0.89       85.10
         55 |         70        0.70       85.80
         56 |         86        0.86       86.66
         57 |         67        0.67       87.33
         58 |         56        0.56       87.89
         59 |         62        0.62       88.51
         60 |         68        0.68       89.19
         61 |         52        0.52       89.71
         62 |         75        0.75       90.46
         63 |         53        0.53       90.99
         64 |         63        0.63       91.62
         65 |         56        0.56       92.18
         66 |         48        0.48       92.66
         67 |         37        0.37       93.03
         68 |         47        0.47       93.50
         69 |         48        0.48       93.98
         70 |         39        0.39       94.37
         71 |         39        0.39       94.76
         72 |         48        0.48       95.24
         73 |         30        0.30       95.54
         74 |         37        0.37       95.91
         75 |         32        0.32       96.23
         76 |         33        0.33       96.56
         77 |         38        0.38       96.94
         78 |         22        0.22       97.16
         79 |         22        0.22       97.38
         80 |         26        0.26       97.64
         81 |         15        0.15       97.79
         82 |         17        0.17       97.96
         83 |         11        0.11       98.07
         84 |         15        0.15       98.22
         85 |         14        0.14       98.36
         86 |         15        0.15       98.51
         87 |         10        0.10       98.61
         88 |          5        0.05       98.66
         89 |          8        0.08       98.74
         90 |          3        0.03       98.77
         91 |          2        0.02       98.79
         92 |          3        0.03       98.82
         93 |          3        0.03       98.85
         94 |          1        0.01       98.86
         99 |        114        1.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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