Frequencies for first 10,000 rows of pct012h101 variable in sf12000860us23 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,857       98.57       98.57
          1 |         86        0.86       99.43
          2 |         28        0.28       99.71
          3 |         15        0.15       99.86
          4 |          5        0.05       99.91
          5 |          5        0.05       99.96
          6 |          1        0.01       99.97
          8 |          2        0.02       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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