Frequencies for first 10,000 rows of pct012e115 variable in sf12010880us24 dataset :

    8 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,821       98.21       98.21
          1 |        167        1.67       99.88
          2 |         10        0.10       99.98
          4 |          1        0.01       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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