Frequencies for first 10,000 rows of pct012l176 variable in sf12000860us27 dataset :

   69 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,183       81.83       81.83
          1 |        875        8.75       90.58
          2 |        336        3.36       93.94
          3 |        184        1.84       95.78
          4 |        106        1.06       96.84
          5 |         69        0.69       97.53
          6 |         41        0.41       97.94
          7 |         29        0.29       98.23
          8 |         26        0.26       98.49
          9 |         30        0.30       98.79
         10 |         13        0.13       98.92
         11 |         14        0.14       99.06
         12 |         10        0.10       99.16
         13 |         11        0.11       99.27
         14 |         10        0.10       99.37
         15 |          3        0.03       99.40
         16 |          4        0.04       99.44
         17 |          4        0.04       99.48
         18 |          8        0.08       99.56
         19 |          7        0.07       99.63
         20 |          3        0.03       99.66
         21 |          1        0.01       99.67
         22 |          2        0.02       99.69
         23 |          1        0.01       99.70
         24 |          2        0.02       99.72
         25 |          3        0.03       99.75
         26 |          1        0.01       99.76
         27 |          3        0.03       99.79
         28 |          2        0.02       99.81
         29 |          1        0.01       99.82
         30 |          1        0.01       99.83
         32 |          1        0.01       99.84
         34 |          3        0.03       99.87
         35 |          2        0.02       99.89
         37 |          1        0.01       99.90
         38 |          1        0.01       99.91
         41 |          1        0.01       99.92
         50 |          1        0.01       99.93
         63 |          1        0.01       99.94
         75 |          1        0.01       99.95
         83 |          1        0.01       99.96
         93 |          2        0.02       99.98
        147 |          1        0.01       99.99
        204 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017