The league consists of 25 teams for the 2011 season.

In its first season the league consisted of 12 teams.

The league began in 1953 and consists of ten teams.

The League consisted of 15 teams for the 2005 season.

For the first time, the league consisted of 26 teams from 7 different countries.

The league has two levels consisting of 13 teams each.

The league consisted of 18 teams, who played each other just once.

The League consisted of eight teams for the 2008 season.

The league consisted of six to eight teams from 1923 until 1993.

It consists of 12 teams, each playing 22 regular season games.