The first round was played in ten groups of four teams.

The league is played with 4 groups of 16 teams.

The competition was played through a 17 groups of 20 teams each.

The competition was played in a group of 5 teams.

In the second round there were two groups of four teams.

The league played in two groups of 20 teams each.

The league played in 19 groups of 12-19 teams each.

Two groups of nine teams were created for the fall season.

The group stage saw two groups of four teams each.

The league is played in two groups of 18 teams each.