Frequencies for first 10,000 rows of pct012097 variable in sf12000860us14 dataset :

   94 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,471       64.71       64.71
          1 |      1,513       15.13       79.84
          2 |        785        7.85       87.69
          3 |        452        4.52       92.21
          4 |        267        2.67       94.88
          5 |        159        1.59       96.47
          6 |        112        1.12       97.59
          7 |         68        0.68       98.27
          8 |         55        0.55       98.82
          9 |         30        0.30       99.12
         10 |         22        0.22       99.34
         11 |         20        0.20       99.54
         12 |         12        0.12       99.66
         13 |         10        0.10       99.76
         14 |          3        0.03       99.79
         15 |          3        0.03       99.82
         16 |          1        0.01       99.83
         17 |          4        0.04       99.87
         18 |          4        0.04       99.91
         19 |          2        0.02       99.93
         21 |          2        0.02       99.95
         23 |          1        0.01       99.96
         24 |          1        0.01       99.97
         27 |          1        0.01       99.98
         28 |          1        0.01       99.99
         29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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