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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         34        0.34        0.34
          1 |         50        0.50        0.84
          2 |         56        0.56        1.40
          3 |         49        0.49        1.89
          4 |         54        0.54        2.43
          5 |         58        0.58        3.01
          6 |         54        0.54        3.55
          7 |         50        0.50        4.05
          8 |         58        0.58        4.63
          9 |         55        0.55        5.18
         10 |         51        0.51        5.69
         11 |         54        0.54        6.23
         12 |         60        0.60        6.83
         13 |         59        0.59        7.42
         14 |         72        0.72        8.14
         15 |         90        0.90        9.04
         16 |        160        1.60       10.64
         17 |        175        1.75       12.39
         18 |        233        2.33       14.72
         19 |        275        2.75       17.47
         20 |        275        2.75       20.22
         21 |        275        2.75       22.97
         22 |        240        2.40       25.37
         23 |        241        2.41       27.78
         24 |        243        2.43       30.21
         25 |        221        2.21       32.42
         26 |        189        1.89       34.31
         27 |        190        1.90       36.21
         28 |        180        1.80       38.01
         29 |        165        1.65       39.66
         30 |        181        1.81       41.47
         31 |        151        1.51       42.98
         32 |        162        1.62       44.60
         33 |        162        1.62       46.22
         34 |        112        1.12       47.34
         35 |        129        1.29       48.63
         36 |        128        1.28       49.91
         37 |        138        1.38       51.29
         38 |        120        1.20       52.49
         39 |        129        1.29       53.78
         40 |        131        1.31       55.09
         41 |        153        1.53       56.62
         42 |        133        1.33       57.95
         43 |        127        1.27       59.22
         44 |        149        1.49       60.71
         45 |        161        1.61       62.32
         46 |        137        1.37       63.69
         47 |        151        1.51       65.20
         48 |        131        1.31       66.51
         49 |        152        1.52       68.03
         50 |        137        1.37       69.40
         51 |        111        1.11       70.51
         52 |        150        1.50       72.01
         53 |        127        1.27       73.28
         54 |        125        1.25       74.53
         55 |        131        1.31       75.84
         56 |        122        1.22       77.06
         57 |        113        1.13       78.19
         58 |        111        1.11       79.30
         59 |         95        0.95       80.25
         60 |        103        1.03       81.28
         61 |        114        1.14       82.42
         62 |        106        1.06       83.48
         63 |         83        0.83       84.31
         64 |         74        0.74       85.05
         65 |         67        0.67       85.72
         66 |         67        0.67       86.39
         67 |         65        0.65       87.04
         68 |         80        0.80       87.84
         69 |         67        0.67       88.51
         70 |         47        0.47       88.98
         71 |         45        0.45       89.43
         72 |         30        0.30       89.73
         73 |         45        0.45       90.18
         74 |         29        0.29       90.47
         75 |         51        0.51       90.98
         76 |         45        0.45       91.43
         77 |         45        0.45       91.88
         78 |         39        0.39       92.27
         79 |         34        0.34       92.61
         80 |         48        0.48       93.09
         81 |         27        0.27       93.36
         82 |         31        0.31       93.67
         83 |         32        0.32       93.99
         84 |         27        0.27       94.26
         85 |         28        0.28       94.54
         86 |         24        0.24       94.78
         87 |         21        0.21       94.99
         88 |         15        0.15       95.14
         89 |         14        0.14       95.28
         90 |         16        0.16       95.44
         91 |         11        0.11       95.55
         92 |          6        0.06       95.61
         93 |          6        0.06       95.67
         94 |          8        0.08       95.75
         95 |          3        0.03       95.78
         96 |          2        0.02       95.80
         97 |          1        0.01       95.81
         98 |          1        0.01       95.82
         99 |          1        0.01       95.83
        998 |          5        0.05       95.88
        999 |        412        4.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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