Frequencies for first 10,000 rows of pct012m058 variable in sf12010880us32 dataset :

   55 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,885       98.85       98.85
          1 |        108        1.08       99.93
          2 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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