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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         57        0.57        0.57
          1 |         69        0.69        1.26
          2 |         56        0.56        1.82
          3 |         78        0.78        2.60
          4 |         65        0.65        3.25
          5 |         71        0.71        3.96
          6 |         59        0.59        4.55
          7 |         72        0.72        5.27
          8 |         52        0.52        5.79
          9 |         56        0.56        6.35
         10 |         64        0.64        6.99
         11 |         59        0.59        7.58
         12 |         52        0.52        8.10
         13 |         62        0.62        8.72
         14 |         81        0.81        9.53
         15 |        129        1.29       10.82
         16 |        280        2.80       13.62
         17 |        291        2.91       16.53
         18 |        353        3.53       20.06
         19 |        371        3.71       23.77
         20 |        298        2.98       26.75
         21 |        301        3.01       29.76
         22 |        293        2.93       32.69
         23 |        277        2.77       35.46
         24 |        286        2.86       38.32
         25 |        237        2.37       40.69
         26 |        259        2.59       43.28
         27 |        252        2.52       45.80
         28 |        253        2.53       48.33
         29 |        230        2.30       50.63
         30 |        226        2.26       52.89
         31 |        202        2.02       54.91
         32 |        198        1.98       56.89
         33 |        194        1.94       58.83
         34 |        157        1.57       60.40
         35 |        199        1.99       62.39
         36 |        165        1.65       64.04
         37 |        142        1.42       65.46
         38 |        146        1.46       66.92
         39 |        130        1.30       68.22
         40 |        133        1.33       69.55
         41 |        131        1.31       70.86
         42 |        121        1.21       72.07
         43 |         93        0.93       73.00
         44 |         98        0.98       73.98
         45 |        104        1.04       75.02
         46 |         96        0.96       75.98
         47 |         85        0.85       76.83
         48 |         76        0.76       77.59
         49 |         82        0.82       78.41
         50 |         69        0.69       79.10
         51 |         70        0.70       79.80
         52 |         75        0.75       80.55
         53 |         58        0.58       81.13
         54 |         65        0.65       81.78
         55 |         43        0.43       82.21
         56 |         50        0.50       82.71
         57 |         58        0.58       83.29
         58 |         75        0.75       84.04
         59 |         67        0.67       84.71
         60 |         55        0.55       85.26
         61 |         49        0.49       85.75
         62 |         59        0.59       86.34
         63 |         51        0.51       86.85
         64 |         75        0.75       87.60
         65 |         55        0.55       88.15
         66 |         46        0.46       88.61
         67 |         50        0.50       89.11
         68 |         33        0.33       89.44
         69 |         61        0.61       90.05
         70 |         50        0.50       90.55
         71 |         47        0.47       91.02
         72 |         53        0.53       91.55
         73 |         30        0.30       91.85
         74 |         39        0.39       92.24
         75 |         42        0.42       92.66
         76 |         49        0.49       93.15
         77 |         32        0.32       93.47
         78 |         30        0.30       93.77
         79 |         33        0.33       94.10
         80 |         27        0.27       94.37
         81 |         34        0.34       94.71
         82 |         34        0.34       95.05
         83 |         28        0.28       95.33
         84 |         29        0.29       95.62
         85 |         20        0.20       95.82
         86 |         14        0.14       95.96
         87 |         12        0.12       96.08
         88 |          9        0.09       96.17
         89 |          6        0.06       96.23
         90 |          5        0.05       96.28
         92 |          3        0.03       96.31
         93 |          2        0.02       96.33
         94 |          5        0.05       96.38
         95 |          2        0.02       96.40
         97 |          2        0.02       96.42
         99 |        358        3.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016