Frequencies for first 10,000 rows of pct012d196 variable in sf12010860us23 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,267       92.67       92.67
          1 |        455        4.55       97.22
          2 |        155        1.55       98.77
          3 |         45        0.45       99.22
          4 |         26        0.26       99.48
          5 |         13        0.13       99.61
          6 |         10        0.10       99.71
          7 |          7        0.07       99.78
          8 |          4        0.04       99.82
          9 |          2        0.02       99.84
         10 |          1        0.01       99.85
         11 |          1        0.01       99.86
         12 |          3        0.03       99.89
         13 |          3        0.03       99.92
         14 |          1        0.01       99.93
         15 |          1        0.01       99.94
         16 |          1        0.01       99.95
         19 |          1        0.01       99.96
         34 |          1        0.01       99.97
         38 |          1        0.01       99.98
         39 |          1        0.01       99.99
         50 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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