Frequencies for first 10,000 rows of pct012d193 variable in sf12000860us19 dataset :

   86 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,452       94.52       94.52
          1 |        358        3.58       98.10
          2 |         94        0.94       99.04
          3 |         44        0.44       99.48
          4 |         16        0.16       99.64
          5 |         15        0.15       99.79
          6 |          4        0.04       99.83
          7 |          3        0.03       99.86
          8 |          4        0.04       99.90
          9 |          2        0.02       99.92
         10 |          1        0.01       99.93
         11 |          1        0.01       99.94
         13 |          1        0.01       99.95
         14 |          1        0.01       99.96
         28 |          2        0.02       99.98
         29 |          1        0.01       99.99
         66 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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