Frequencies for first 10,000 rows of pct012m051 variable in sf12000860us28 dataset :

   48 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,877       98.77       98.77
          1 |        116        1.16       99.93
          2 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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