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

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         47        0.47        0.47
          1 |         65        0.65        1.12
          2 |         88        0.88        2.00
          3 |         83        0.83        2.83
          4 |         67        0.67        3.50
          5 |         72        0.72        4.22
          6 |         70        0.70        4.92
          7 |         59        0.59        5.51
          8 |         63        0.63        6.14
          9 |         61        0.61        6.75
         10 |         72        0.72        7.47
         11 |         55        0.55        8.02
         12 |         60        0.60        8.62
         13 |         59        0.59        9.21
         14 |        102        1.02       10.23
         15 |        126        1.26       11.49
         16 |        216        2.16       13.65
         17 |        315        3.15       16.80
         18 |        384        3.84       20.64
         19 |        353        3.53       24.17
         20 |        322        3.22       27.39
         21 |        301        3.01       30.40
         22 |        296        2.96       33.36
         23 |        310        3.10       36.46
         24 |        263        2.63       39.09
         25 |        278        2.78       41.87
         26 |        265        2.65       44.52
         27 |        245        2.45       46.97
         28 |        214        2.14       49.11
         29 |        210        2.10       51.21
         30 |        217        2.17       53.38
         31 |        212        2.12       55.50
         32 |        171        1.71       57.21
         33 |        186        1.86       59.07
         34 |        158        1.58       60.65
         35 |        174        1.74       62.39
         36 |        139        1.39       63.78
         37 |        157        1.57       65.35
         38 |        123        1.23       66.58
         39 |        121        1.21       67.79
         40 |        126        1.26       69.05
         41 |        136        1.36       70.41
         42 |        120        1.20       71.61
         43 |        114        1.14       72.75
         44 |         97        0.97       73.72
         45 |         92        0.92       74.64
         46 |         77        0.77       75.41
         47 |         79        0.79       76.20
         48 |         84        0.84       77.04
         49 |         84        0.84       77.88
         50 |         89        0.89       78.77
         51 |         63        0.63       79.40
         52 |         52        0.52       79.92
         53 |         65        0.65       80.57
         54 |         65        0.65       81.22
         55 |         68        0.68       81.90
         56 |         58        0.58       82.48
         57 |         64        0.64       83.12
         58 |         60        0.60       83.72
         59 |         51        0.51       84.23
         60 |         40        0.40       84.63
         61 |         51        0.51       85.14
         62 |         51        0.51       85.65
         63 |         79        0.79       86.44
         64 |         55        0.55       86.99
         65 |         54        0.54       87.53
         66 |         48        0.48       88.01
         67 |         65        0.65       88.66
         68 |         65        0.65       89.31
         69 |         54        0.54       89.85
         70 |         33        0.33       90.18
         71 |         52        0.52       90.70
         72 |         49        0.49       91.19
         73 |         51        0.51       91.70
         74 |         44        0.44       92.14
         75 |         36        0.36       92.50
         76 |         34        0.34       92.84
         77 |         30        0.30       93.14
         78 |         35        0.35       93.49
         79 |         24        0.24       93.73
         80 |         42        0.42       94.15
         81 |         26        0.26       94.41
         82 |         22        0.22       94.63
         83 |         26        0.26       94.89
         84 |         19        0.19       95.08
         85 |         12        0.12       95.20
         86 |         13        0.13       95.33
         87 |         16        0.16       95.49
         88 |          9        0.09       95.58
         89 |          6        0.06       95.64
         90 |          5        0.05       95.69
         91 |          2        0.02       95.71
         92 |          4        0.04       95.75
         93 |          2        0.02       95.77
         94 |          2        0.02       95.79
         97 |          1        0.01       95.80
         99 |        420        4.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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