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

        age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         38        0.38        0.38
          1 |         82        0.82        1.20
          2 |         87        0.87        2.07
          3 |         86        0.86        2.93
          4 |         87        0.87        3.80
          5 |         58        0.58        4.38
          6 |         67        0.67        5.05
          7 |         78        0.78        5.83
          8 |         70        0.70        6.53
          9 |         63        0.63        7.16
         10 |         61        0.61        7.77
         11 |         59        0.59        8.36
         12 |         74        0.74        9.10
         13 |         70        0.70        9.80
         14 |        112        1.12       10.92
         15 |        164        1.64       12.56
         16 |        265        2.65       15.21
         17 |        279        2.79       18.00
         18 |        312        3.12       21.12
         19 |        293        2.93       24.05
         20 |        273        2.73       26.78
         21 |        306        3.06       29.84
         22 |        269        2.69       32.53
         23 |        269        2.69       35.22
         24 |        227        2.27       37.49
         25 |        222        2.22       39.71
         26 |        198        1.98       41.69
         27 |        191        1.91       43.60
         28 |        229        2.29       45.89
         29 |        184        1.84       47.73
         30 |        227        2.27       50.00
         31 |        199        1.99       51.99
         32 |        190        1.90       53.89
         33 |        205        2.05       55.94
         34 |        196        1.96       57.90
         35 |        172        1.72       59.62
         36 |        151        1.51       61.13
         37 |        158        1.58       62.71
         38 |        156        1.56       64.27
         39 |        130        1.30       65.57
         40 |        150        1.50       67.07
         41 |        138        1.38       68.45
         42 |        118        1.18       69.63
         43 |        115        1.15       70.78
         44 |        109        1.09       71.87
         45 |        110        1.10       72.97
         46 |         97        0.97       73.94
         47 |         86        0.86       74.80
         48 |         90        0.90       75.70
         49 |         96        0.96       76.66
         50 |         81        0.81       77.47
         51 |         83        0.83       78.30
         52 |         65        0.65       78.95
         53 |         68        0.68       79.63
         54 |         68        0.68       80.31
         55 |         77        0.77       81.08
         56 |         63        0.63       81.71
         57 |         72        0.72       82.43
         58 |         55        0.55       82.98
         59 |         60        0.60       83.58
         60 |         65        0.65       84.23
         61 |         52        0.52       84.75
         62 |         55        0.55       85.30
         63 |         58        0.58       85.88
         64 |         56        0.56       86.44
         65 |         53        0.53       86.97
         66 |         50        0.50       87.47
         67 |         53        0.53       88.00
         68 |         56        0.56       88.56
         69 |         57        0.57       89.13
         70 |         55        0.55       89.68
         71 |         43        0.43       90.11
         72 |         45        0.45       90.56
         73 |         52        0.52       91.08
         74 |         41        0.41       91.49
         75 |         47        0.47       91.96
         76 |         36        0.36       92.32
         77 |         52        0.52       92.84
         78 |         40        0.40       93.24
         79 |         35        0.35       93.59
         80 |         39        0.39       93.98
         81 |         29        0.29       94.27
         82 |         44        0.44       94.71
         83 |         28        0.28       94.99
         84 |         27        0.27       95.26
         85 |         22        0.22       95.48
         86 |         14        0.14       95.62
         87 |         14        0.14       95.76
         88 |          9        0.09       95.85
         89 |         11        0.11       95.96
         90 |          6        0.06       96.02
         91 |          5        0.05       96.07
         92 |          4        0.04       96.11
         93 |          2        0.02       96.13
         94 |          3        0.03       96.16
         95 |          2        0.02       96.18
         96 |          2        0.02       96.20
         97 |          1        0.01       96.21
         99 |        379        3.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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