justice league is composed of how many members?

in 1960 the original members of the JLA were Superman, Batman, Wonder Woman, Flash, Green Lantern, Aquaman and the Martian Manhunter. throughout the years many characters have been rotated in and out, among them Green Arrow, Atom, Hawkman, Black Canary, Captain Marvel, Plastic Man and dozens of others. there have also been a few different incarnations of the League, with some other members lol. here is a link to the wiki entry on the list of everybody who has been a member of the JLA..and what years/episode/issue, they were in. its pretty big so im not even gonna attempt to put any of it here..hope it helps! http://en.wikipedia.org/wiki/List_of_Justice_League_members