Frequencies for first 10,000 rows of pct012l085 variable in sf12010860us31 dataset :

   82 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,884       88.84       88.84
          1 |        635        6.35       95.19
          2 |        208        2.08       97.27
          3 |         95        0.95       98.22
          4 |         55        0.55       98.77
          5 |         36        0.36       99.13
          6 |         23        0.23       99.36
          7 |         16        0.16       99.52
          8 |          9        0.09       99.61
          9 |          8        0.08       99.69
         10 |          1        0.01       99.70
         11 |          4        0.04       99.74
         12 |          2        0.02       99.76
         13 |          5        0.05       99.81
         14 |          1        0.01       99.82
         16 |          2        0.02       99.84
         17 |          1        0.01       99.85
         18 |          2        0.02       99.87
         19 |          2        0.02       99.89
         20 |          3        0.03       99.92
         21 |          1        0.01       99.93
         22 |          1        0.01       99.94
         27 |          1        0.01       99.95
         39 |          1        0.01       99.96
         44 |          1        0.01       99.97
         49 |          1        0.01       99.98
         71 |          1        0.01       99.99
        104 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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