Frequencies for marketcoverage variable in busrules2014 dataset :

   Market Coverage |      Freq.     Percent        Cum.
-------------------+-----------------------------------
                   |      1,208       57.44       57.44
        Individual |        402       19.12       76.56
SHOP (Small Group) |        493       23.44      100.00
-------------------+-----------------------------------
             Total |      2,103      100.00

by Jean Roth , jroth@nber.org , 6 Oct 2016