Frequencies for first 10,000 rows of dentalplan variable in planxw2015 dataset :

Dental Plan |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      7,112       71.12       71.12
          Y |      2,888       28.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017