Frequencies for first 10,000 rows of pct012d095 variable in sf12000860us19 dataset :

   92 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,872       98.72       98.72
          1 |        109        1.09       99.81
          2 |         12        0.12       99.93
          3 |          3        0.03       99.96
          4 |          3        0.03       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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