 The National Rugby League had an average per game attendance of 11,990 in 1970, saw a decrease in 1980 to 10,860 but increased to 12,073 by 1990 and improved on that to 14,043 by 2000.Founded later, the National Basketball League had an average per game attendance of 1,158 in 1985, increased this to 4,551 by 1990, and kept attendance steady with 4,636 average fans per game in 2000.In March 1999, 104,000 fans attended a double header match in the National Rugby League at Stadium Australia four days after the venue formally opened.