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

        age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         38        0.38        0.38
          1 |         53        0.53        0.91
          2 |         41        0.41        1.32
          3 |         62        0.62        1.94
          4 |         50        0.50        2.44
          5 |         45        0.45        2.89
          6 |         41        0.41        3.30
          7 |         59        0.59        3.89
          8 |         43        0.43        4.32
          9 |         48        0.48        4.80
         10 |         34        0.34        5.14
         11 |         51        0.51        5.65
         12 |         51        0.51        6.16
         13 |         52        0.52        6.68
         14 |         62        0.62        7.30
         15 |         94        0.94        8.24
         16 |        145        1.45        9.69
         17 |        196        1.96       11.65
         18 |        265        2.65       14.30
         19 |        261        2.61       16.91
         20 |        272        2.72       19.63
         21 |        288        2.88       22.51
         22 |        246        2.46       24.97
         23 |        265        2.65       27.62
         24 |        236        2.36       29.98
         25 |        237        2.37       32.35
         26 |        167        1.67       34.02
         27 |        202        2.02       36.04
         28 |        163        1.63       37.67
         29 |        177        1.77       39.44
         30 |        181        1.81       41.25
         31 |        161        1.61       42.86
         32 |        158        1.58       44.44
         33 |        156        1.56       46.00
         34 |        148        1.48       47.48
         35 |        142        1.42       48.90
         36 |        149        1.49       50.39
         37 |        120        1.20       51.59
         38 |        132        1.32       52.91
         39 |        128        1.28       54.19
         40 |        112        1.12       55.31
         41 |        120        1.20       56.51
         42 |        153        1.53       58.04
         43 |        133        1.33       59.37
         44 |        121        1.21       60.58
         45 |        133        1.33       61.91
         46 |        125        1.25       63.16
         47 |        132        1.32       64.48
         48 |        140        1.40       65.88
         49 |        139        1.39       67.27
         50 |        164        1.64       68.91
         51 |        153        1.53       70.44
         52 |        161        1.61       72.05
         53 |        136        1.36       73.41
         54 |        116        1.16       74.57
         55 |        125        1.25       75.82
         56 |        113        1.13       76.95
         57 |        140        1.40       78.35
         58 |        128        1.28       79.63
         59 |        105        1.05       80.68
         60 |        120        1.20       81.88
         61 |         92        0.92       82.80
         62 |        122        1.22       84.02
         63 |         99        0.99       85.01
         64 |        100        1.00       86.01
         65 |         83        0.83       86.84
         66 |         74        0.74       87.58
         67 |         82        0.82       88.40
         68 |         71        0.71       89.11
         69 |         45        0.45       89.56
         70 |         61        0.61       90.17
         71 |         73        0.73       90.90
         72 |         44        0.44       91.34
         73 |         53        0.53       91.87
         74 |         52        0.52       92.39
         75 |         41        0.41       92.80
         76 |         39        0.39       93.19
         77 |         38        0.38       93.57
         78 |         41        0.41       93.98
         79 |         32        0.32       94.30
         80 |         43        0.43       94.73
         81 |         36        0.36       95.09
         82 |         31        0.31       95.40
         83 |         29        0.29       95.69
         84 |         25        0.25       95.94
         85 |         19        0.19       96.13
         86 |         20        0.20       96.33
         87 |         18        0.18       96.51
         88 |         14        0.14       96.65
         89 |         14        0.14       96.79
         90 |         10        0.10       96.89
         91 |          9        0.09       96.98
         92 |         11        0.11       97.09
         93 |          8        0.08       97.17
         94 |          6        0.06       97.23
         95 |          3        0.03       97.26
         96 |          1        0.01       97.27
         97 |          2        0.02       97.29
         98 |          2        0.02       97.31
        100 |          1        0.01       97.32
        101 |          1        0.01       97.33
        998 |         65        0.65       97.98
        999 |        202        2.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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