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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         52        0.52        0.52
          1 |         63        0.63        1.15
          2 |         62        0.62        1.77
          3 |         68        0.68        2.45
          4 |         94        0.94        3.39
          5 |         84        0.84        4.23
          6 |         81        0.81        5.04
          7 |         67        0.67        5.71
          8 |         54        0.54        6.25
          9 |         52        0.52        6.77
         10 |         67        0.67        7.44
         11 |         66        0.66        8.10
         12 |         78        0.78        8.88
         13 |        104        1.04        9.92
         14 |        121        1.21       11.13
         15 |        174        1.74       12.87
         16 |        339        3.39       16.26
         17 |        373        3.73       19.99
         18 |        436        4.36       24.35
         19 |        446        4.46       28.81
         20 |        420        4.20       33.01
         21 |        378        3.78       36.79
         22 |        364        3.64       40.43
         23 |        332        3.32       43.75
         24 |        292        2.92       46.67
         25 |        256        2.56       49.23
         26 |        248        2.48       51.71
         27 |        231        2.31       54.02
         28 |        207        2.07       56.09
         29 |        163        1.63       57.72
         30 |        172        1.72       59.44
         31 |        159        1.59       61.03
         32 |        158        1.58       62.61
         33 |        153        1.53       64.14
         34 |        148        1.48       65.62
         35 |        123        1.23       66.85
         36 |        107        1.07       67.92
         37 |        103        1.03       68.95
         38 |         99        0.99       69.94
         39 |        108        1.08       71.02
         40 |        106        1.06       72.08
         41 |        108        1.08       73.16
         42 |         94        0.94       74.10
         43 |         87        0.87       74.97
         44 |        105        1.05       76.02
         45 |        110        1.10       77.12
         46 |         93        0.93       78.05
         47 |         99        0.99       79.04
         48 |         59        0.59       79.63
         49 |         95        0.95       80.58
         50 |         89        0.89       81.47
         51 |         86        0.86       82.33
         52 |         85        0.85       83.18
         53 |         85        0.85       84.03
         54 |         84        0.84       84.87
         55 |         76        0.76       85.63
         56 |         74        0.74       86.37
         57 |         59        0.59       86.96
         58 |         74        0.74       87.70
         59 |         63        0.63       88.33
         60 |         65        0.65       88.98
         61 |         58        0.58       89.56
         62 |         62        0.62       90.18
         63 |         53        0.53       90.71
         64 |         45        0.45       91.16
         65 |         61        0.61       91.77
         66 |         38        0.38       92.15
         67 |         60        0.60       92.75
         68 |         52        0.52       93.27
         69 |         35        0.35       93.62
         70 |         49        0.49       94.11
         71 |         52        0.52       94.63
         72 |         38        0.38       95.01
         73 |         38        0.38       95.39
         74 |         37        0.37       95.76
         75 |         26        0.26       96.02
         76 |         26        0.26       96.28
         77 |         26        0.26       96.54
         78 |         27        0.27       96.81
         79 |         30        0.30       97.11
         80 |         19        0.19       97.30
         81 |         12        0.12       97.42
         82 |         15        0.15       97.57
         83 |         12        0.12       97.69
         84 |         12        0.12       97.81
         85 |          7        0.07       97.88
         86 |          9        0.09       97.97
         87 |          5        0.05       98.02
         88 |          5        0.05       98.07
         89 |          2        0.02       98.09
         90 |          3        0.03       98.12
         91 |          1        0.01       98.13
         94 |          1        0.01       98.14
         95 |          1        0.01       98.15
         96 |          2        0.02       98.17
         99 |        183        1.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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