Frequencies for first 10,000 rows of pct012f203 variable in sf12010860us25 dataset :

   96 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,870       98.70       98.70
          1 |        100        1.00       99.70
          2 |         19        0.19       99.89
          3 |          8        0.08       99.97
          4 |          2        0.02       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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