The league was soon expanded to include three age groups.

The league was expanded with one team ahead of the next season.

The league has been expanded from 12 to 14 teams for the 2011 season.

Instead the league was expanded with one extra team from the next season.

In the 2009-10 season, the league was expanded to 16 teams.

For the 1926-27 season, the league was expanded to ten teams.

The following season, the league was expanded to 16 clubs.

The league was expanded to six divisions for the 2006-07 season.

Instead the league was expanded with two extra teams from the next season.

The league was expanded to seven divisions for the 2008-09 season.