Frequencies for first 10,000 rows of pct012h102 variable in sf12010880us27 dataset :

   99 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,851       98.51       98.51
          1 |         92        0.92       99.43
          2 |         31        0.31       99.74
          3 |         16        0.16       99.90
          4 |          3        0.03       99.93
          5 |          3        0.03       99.96
          6 |          3        0.03       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017