With creation of the National Soccer League (NSL) in 1977, the league gradually lost most of its stronger clubs, a trend that reached its peak between 1984 and 1986, when the NSL used a split conference system. After 1987, however, the league slowly started regaining clubs, firstly those discarded when the conference system experiment was abandoned and later when clubs became permanently relegated by the NSL to their respective state leagues. The dominant side during the years from 1977 to 2004 was Green Gully, who won six titles during this period, despite also missing the years 1984–1986 from being in the NSL.