Frequencies for marketcoverage variable in busrules2017 dataset :

   Market Coverage |      Freq.     Percent        Cum.
-------------------+-----------------------------------
        Individual |      3,994       60.33       60.33
SHOP (Small Group) |      2,626       39.67      100.00
-------------------+-----------------------------------
             Total |      6,620      100.00

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