Frequencies for first 10,000 rows of pct012g094 variable in sf12000860us22 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,821       98.21       98.21
          1 |        158        1.58       99.79
          2 |         17        0.17       99.96
          3 |          3        0.03       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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