Frequencies for first 10,000 rows of pct012l181 variable in sf12010860us31 dataset :

   74 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,929       79.29       79.29
          1 |        867        8.67       87.96
          2 |        412        4.12       92.08
          3 |        214        2.14       94.22
          4 |        125        1.25       95.47
          5 |         82        0.82       96.29
          6 |         72        0.72       97.01
          7 |         42        0.42       97.43
          8 |         40        0.40       97.83
          9 |         34        0.34       98.17
         10 |         27        0.27       98.44
         11 |         11        0.11       98.55
         12 |         20        0.20       98.75
         13 |          8        0.08       98.83
         14 |         15        0.15       98.98
         15 |         13        0.13       99.11
         16 |         10        0.10       99.21
         17 |          9        0.09       99.30
         18 |          3        0.03       99.33
         19 |          5        0.05       99.38
         20 |          7        0.07       99.45
         21 |          6        0.06       99.51
         22 |          8        0.08       99.59
         23 |          2        0.02       99.61
         24 |          3        0.03       99.64
         25 |          3        0.03       99.67
         26 |          4        0.04       99.71
         27 |          3        0.03       99.74
         29 |          2        0.02       99.76
         31 |          1        0.01       99.77
         32 |          1        0.01       99.78
         34 |          2        0.02       99.80
         37 |          2        0.02       99.82
         38 |          3        0.03       99.85
         39 |          1        0.01       99.86
         43 |          1        0.01       99.87
         45 |          1        0.01       99.88
         46 |          1        0.01       99.89
         55 |          2        0.02       99.91
         60 |          2        0.02       99.93
         64 |          1        0.01       99.94
         66 |          1        0.01       99.95
         68 |          1        0.01       99.96
         99 |          1        0.01       99.97
        121 |          1        0.01       99.98
        178 |          1        0.01       99.99
        190 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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