From 2002 to 2010 the league operated with 4 Divisions.

In the following three seasons, regional leagues operated, like before 1908.

The league has operated since 2005 and grew to include eight teams in the 2010 competition.

The league operated for two seasons from 1961 to 1963.

The league again did not operate during the 1953-54 season.

The golden age came in the 1900s, as two professional leagues operated.

For the last five years, the league has operated without a working agreement with its players.

The league operated the building as a private social club from 1948 to 1988.

The league operated with only one division until the 1953-54 season, but has expanded over time to reach the current size.

The league briefly returned in 1905 and then operated again from 1911-1915.