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

        age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         52        0.52        0.52
          1 |         94        0.94        1.46
          2 |         81        0.81        2.27
          3 |         90        0.90        3.17
          4 |         73        0.73        3.90
          5 |         66        0.66        4.56
          6 |         58        0.58        5.14
          7 |         59        0.59        5.73
          8 |         53        0.53        6.26
          9 |         63        0.63        6.89
         10 |         75        0.75        7.64
         11 |         49        0.49        8.13
         12 |         73        0.73        8.86
         13 |         62        0.62        9.48
         14 |        117        1.17       10.65
         15 |        166        1.66       12.31
         16 |        259        2.59       14.90
         17 |        296        2.96       17.86
         18 |        296        2.96       20.82
         19 |        313        3.13       23.95
         20 |        312        3.12       27.07
         21 |        337        3.37       30.44
         22 |        295        2.95       33.39
         23 |        264        2.64       36.03
         24 |        251        2.51       38.54
         25 |        211        2.11       40.65
         26 |        209        2.09       42.74
         27 |        204        2.04       44.78
         28 |        203        2.03       46.81
         29 |        223        2.23       49.04
         30 |        216        2.16       51.20
         31 |        188        1.88       53.08
         32 |        201        2.01       55.09
         33 |        186        1.86       56.95
         34 |        180        1.80       58.75
         35 |        179        1.79       60.54
         36 |        152        1.52       62.06
         37 |        123        1.23       63.29
         38 |        159        1.59       64.88
         39 |        143        1.43       66.31
         40 |        138        1.38       67.69
         41 |        145        1.45       69.14
         42 |         99        0.99       70.13
         43 |        129        1.29       71.42
         44 |        118        1.18       72.60
         45 |        126        1.26       73.86
         46 |         88        0.88       74.74
         47 |         81        0.81       75.55
         48 |         97        0.97       76.52
         49 |         88        0.88       77.40
         50 |         66        0.66       78.06
         51 |         77        0.77       78.83
         52 |         65        0.65       79.48
         53 |         61        0.61       80.09
         54 |         78        0.78       80.87
         55 |         62        0.62       81.49
         56 |         62        0.62       82.11
         57 |         63        0.63       82.74
         58 |         55        0.55       83.29
         59 |         53        0.53       83.82
         60 |         50        0.50       84.32
         61 |         43        0.43       84.75
         62 |         55        0.55       85.30
         63 |         74        0.74       86.04
         64 |         44        0.44       86.48
         65 |         48        0.48       86.96
         66 |         56        0.56       87.52
         67 |         58        0.58       88.10
         68 |         58        0.58       88.68
         69 |         56        0.56       89.24
         70 |         60        0.60       89.84
         71 |         64        0.64       90.48
         72 |         55        0.55       91.03
         73 |         50        0.50       91.53
         74 |         38        0.38       91.91
         75 |         46        0.46       92.37
         76 |         38        0.38       92.75
         77 |         49        0.49       93.24
         78 |         31        0.31       93.55
         79 |         30        0.30       93.85
         80 |         38        0.38       94.23
         81 |         22        0.22       94.45
         82 |         38        0.38       94.83
         83 |         22        0.22       95.05
         84 |         21        0.21       95.26
         85 |         17        0.17       95.43
         86 |         20        0.20       95.63
         87 |         14        0.14       95.77
         88 |          8        0.08       95.85
         89 |         10        0.10       95.95
         90 |          7        0.07       96.02
         91 |          5        0.05       96.07
         92 |          2        0.02       96.09
         93 |          4        0.04       96.13
         94 |          3        0.03       96.16
         96 |          2        0.02       96.18
         99 |        382        3.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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