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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         52        0.52        0.52
          1 |         61        0.61        1.13
          2 |         58        0.58        1.71
          3 |         59        0.59        2.30
          4 |         74        0.74        3.04
          5 |         64        0.64        3.68
          6 |         55        0.55        4.23
          7 |         47        0.47        4.70
          8 |         55        0.55        5.25
          9 |         49        0.49        5.74
         10 |         62        0.62        6.36
         11 |         51        0.51        6.87
         12 |         70        0.70        7.57
         13 |         58        0.58        8.15
         14 |         74        0.74        8.89
         15 |        114        1.14       10.03
         16 |        152        1.52       11.55
         17 |        204        2.04       13.59
         18 |        267        2.67       16.26
         19 |        257        2.57       18.83
         20 |        253        2.53       21.36
         21 |        269        2.69       24.05
         22 |        262        2.62       26.67
         23 |        248        2.48       29.15
         24 |        220        2.20       31.35
         25 |        210        2.10       33.45
         26 |        203        2.03       35.48
         27 |        211        2.11       37.59
         28 |        183        1.83       39.42
         29 |        174        1.74       41.16
         30 |        165        1.65       42.81
         31 |        155        1.55       44.36
         32 |        171        1.71       46.07
         33 |        149        1.49       47.56
         34 |        145        1.45       49.01
         35 |        130        1.30       50.31
         36 |        125        1.25       51.56
         37 |        130        1.30       52.86
         38 |        122        1.22       54.08
         39 |        145        1.45       55.53
         40 |        137        1.37       56.90
         41 |        117        1.17       58.07
         42 |        149        1.49       59.56
         43 |        128        1.28       60.84
         44 |        137        1.37       62.21
         45 |        139        1.39       63.60
         46 |        143        1.43       65.03
         47 |        151        1.51       66.54
         48 |        130        1.30       67.84
         49 |        134        1.34       69.18
         50 |        150        1.50       70.68
         51 |        154        1.54       72.22
         52 |        141        1.41       73.63
         53 |        130        1.30       74.93
         54 |        114        1.14       76.07
         55 |        115        1.15       77.22
         56 |        120        1.20       78.42
         57 |        131        1.31       79.73
         58 |        108        1.08       80.81
         59 |        111        1.11       81.92
         60 |        110        1.10       83.02
         61 |         79        0.79       83.81
         62 |         90        0.90       84.71
         63 |         89        0.89       85.60
         64 |        105        1.05       86.65
         65 |         85        0.85       87.50
         66 |         57        0.57       88.07
         67 |         65        0.65       88.72
         68 |         66        0.66       89.38
         69 |         55        0.55       89.93
         70 |         37        0.37       90.30
         71 |         58        0.58       90.88
         72 |         43        0.43       91.31
         73 |         50        0.50       91.81
         74 |         40        0.40       92.21
         75 |         40        0.40       92.61
         76 |         37        0.37       92.98
         77 |         38        0.38       93.36
         78 |         35        0.35       93.71
         79 |         40        0.40       94.11
         80 |         38        0.38       94.49
         81 |         39        0.39       94.88
         82 |         30        0.30       95.18
         83 |         32        0.32       95.50
         84 |         22        0.22       95.72
         85 |         26        0.26       95.98
         86 |         19        0.19       96.17
         87 |         18        0.18       96.35
         88 |         15        0.15       96.50
         89 |         14        0.14       96.64
         90 |         12        0.12       96.76
         91 |          5        0.05       96.81
         92 |          9        0.09       96.90
         93 |          6        0.06       96.96
         94 |          4        0.04       97.00
         95 |          1        0.01       97.01
         96 |          1        0.01       97.02
         99 |          1        0.01       97.03
        103 |          1        0.01       97.04
        998 |         68        0.68       97.72
        999 |        228        2.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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