Frequencies for pbage variable in pbtype dataset :

        Age |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          6        0.11        0.11
          1 |         29        0.54        0.65
          2 |         37        0.69        1.34
          3 |         17        0.32        1.66
          4 |         27        0.50        2.16
          5 |         18        0.33        2.49
          6 |         20        0.37        2.86
          7 |         21        0.39        3.26
          8 |         20        0.37        3.63
          9 |         25        0.47        4.09
         10 |         24        0.45        4.54
         11 |         34        0.63        5.17
         12 |         27        0.50        5.67
         13 |         28        0.52        6.19
         14 |         47        0.87        7.07
         15 |         58        1.08        8.15
         16 |         55        1.02        9.17
         17 |         69        1.28       10.45
         18 |         79        1.47       11.92
         19 |         85        1.58       13.50
         20 |         95        1.77       15.27
         21 |        109        2.03       17.30
         22 |         76        1.41       18.71
         23 |         92        1.71       20.42
         24 |         77        1.43       21.86
         25 |         86        1.60       23.46
         26 |         72        1.34       24.80
         27 |         71        1.32       26.12
         28 |         80        1.49       27.60
         29 |         89        1.66       29.26
         30 |         82        1.53       30.78
         31 |         70        1.30       32.09
         32 |         51        0.95       33.04
         33 |         65        1.21       34.24
         34 |         61        1.13       35.38
         35 |         65        1.21       36.59
         36 |         68        1.26       37.85
         37 |         65        1.21       39.06
         38 |         83        1.54       40.61
         39 |         73        1.36       41.96
         40 |         56        1.04       43.01
         41 |         61        1.13       44.14
         42 |         77        1.43       45.57
         43 |         75        1.40       46.97
         44 |         82        1.53       48.49
         45 |         73        1.36       49.85
         46 |        109        2.03       51.88
         47 |         98        1.82       53.70
         48 |         97        1.80       55.51
         49 |        115        2.14       57.65
         50 |         97        1.80       59.45
         51 |        101        1.88       61.33
         52 |        103        1.92       63.24
         53 |        110        2.05       65.29
         54 |         94        1.75       67.04
         55 |         88        1.64       68.68
         56 |         96        1.79       70.46
         57 |         96        1.79       72.25
         58 |         89        1.66       73.90
         59 |         85        1.58       75.48
         60 |         72        1.34       76.82
         61 |         75        1.40       78.22
         62 |         71        1.32       79.54
         63 |         45        0.84       80.38
         64 |         54        1.00       81.38
         65 |         56        1.04       82.42
         66 |         60        1.12       83.54
         67 |         44        0.82       84.36
         68 |         52        0.97       85.32
         69 |         38        0.71       86.03
         70 |         52        0.97       87.00
         71 |         31        0.58       87.57
         72 |         30        0.56       88.13
         73 |         46        0.86       88.99
         74 |         39        0.73       89.71
         75 |         37        0.69       90.40
         76 |         52        0.97       91.37
         77 |         37        0.69       92.06
         78 |         36        0.67       92.73
         79 |         35        0.65       93.38
         80 |         43        0.80       94.18
         81 |         37        0.69       94.87
         82 |         33        0.61       95.48
         83 |         29        0.54       96.02
         84 |         31        0.58       96.60
         85 |         40        0.74       97.34
         86 |         22        0.41       97.75
         87 |         19        0.35       98.10
         88 |         16        0.30       98.40
         89 |         18        0.33       98.74
         90 |         11        0.20       98.94
         91 |         11        0.20       99.14
         92 |          4        0.07       99.22
         93 |          6        0.11       99.33
         94 |          2        0.04       99.37
         95 |          2        0.04       99.40
         96 |          1        0.02       99.42
         97 |          1        0.02       99.44
         98 |          1        0.02       99.46
        104 |          1        0.02       99.48
        998 |          2        0.04       99.52
        999 |         26        0.48      100.00
------------+-----------------------------------
      Total |      5,376      100.00

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