Frequencies for first 10,000 rows of pct012d046 variable in sf12000860us19 dataset :

   43 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,181       71.81       71.81
          1 |        865        8.65       80.46
          2 |        412        4.12       84.58
          3 |        266        2.66       87.24
          4 |        187        1.87       89.11
          5 |        139        1.39       90.50
          6 |        124        1.24       91.74
          7 |        128        1.28       93.02
          8 |         79        0.79       93.81
          9 |         63        0.63       94.44
         10 |         49        0.49       94.93
         11 |         37        0.37       95.30
         12 |         54        0.54       95.84
         13 |         29        0.29       96.13
         14 |         40        0.40       96.53
         15 |         21        0.21       96.74
         16 |         19        0.19       96.93
         17 |         21        0.21       97.14
         18 |         16        0.16       97.30
         19 |         14        0.14       97.44
         20 |         14        0.14       97.58
         21 |         15        0.15       97.73
         22 |         13        0.13       97.86
         23 |         14        0.14       98.00
         24 |         14        0.14       98.14
         25 |          3        0.03       98.17
         26 |          9        0.09       98.26
         27 |          9        0.09       98.35
         28 |          8        0.08       98.43
         29 |          7        0.07       98.50
         30 |          7        0.07       98.57
         31 |          9        0.09       98.66
         32 |          4        0.04       98.70
         33 |          5        0.05       98.75
         34 |          3        0.03       98.78
         35 |          4        0.04       98.82
         36 |          3        0.03       98.85
         37 |          3        0.03       98.88
         38 |          8        0.08       98.96
         39 |          8        0.08       99.04
         40 |          3        0.03       99.07
         41 |          2        0.02       99.09
         42 |          2        0.02       99.11
         43 |          3        0.03       99.14
         44 |          1        0.01       99.15
         45 |          4        0.04       99.19
         46 |          3        0.03       99.22
         47 |          3        0.03       99.25
         48 |          2        0.02       99.27
         49 |          3        0.03       99.30
         50 |          4        0.04       99.34
         51 |          5        0.05       99.39
         52 |          2        0.02       99.41
         53 |          2        0.02       99.43
         54 |          1        0.01       99.44
         55 |          1        0.01       99.45
         56 |          2        0.02       99.47
         57 |          2        0.02       99.49
         58 |          3        0.03       99.52
         59 |          3        0.03       99.55
         60 |          1        0.01       99.56
         61 |          2        0.02       99.58
         66 |          1        0.01       99.59
         68 |          1        0.01       99.60
         70 |          1        0.01       99.61
         71 |          1        0.01       99.62
         72 |          1        0.01       99.63
         73 |          2        0.02       99.65
         75 |          1        0.01       99.66
         76 |          3        0.03       99.69
         77 |          1        0.01       99.70
         83 |          2        0.02       99.72
         84 |          1        0.01       99.73
         88 |          1        0.01       99.74
         90 |          1        0.01       99.75
         91 |          1        0.01       99.76
         92 |          1        0.01       99.77
         95 |          1        0.01       99.78
         98 |          1        0.01       99.79
         99 |          1        0.01       99.80
        103 |          1        0.01       99.81
        104 |          1        0.01       99.82
        106 |          2        0.02       99.84
        114 |          1        0.01       99.85
        117 |          1        0.01       99.86
        125 |          1        0.01       99.87
        127 |          1        0.01       99.88
        130 |          1        0.01       99.89
        131 |          1        0.01       99.90
        135 |          1        0.01       99.91
        151 |          1        0.01       99.92
        153 |          1        0.01       99.93
        172 |          1        0.01       99.94
        225 |          1        0.01       99.95
        238 |          1        0.01       99.96
        266 |          1        0.01       99.97
        339 |          1        0.01       99.98
        398 |          1        0.01       99.99
        447 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017