1978-79,545.9,
1979-80,470.1,
1980-81,376.3,
1981-82,298.9,
1982-83,262.3,
1983-84,236.4,
1984-85,211.5,
1985-86,192.2,
1986-87,168.3,
1987-88,149.8,
1988-89,129.8,
1989-90,107.4,
1990-91,93.3,
1991-92,75.6,
1992-93,64.9,
1993-94,57.0,
1994-95,52.3,
1995-96,45.9,
1996-97,41.9,
1997-98,35.1,
1998-99,29.2,
1999-2000,24.0,
2000-2001,16.6,
2001-2002,12.2,
2002-2003,7.5,
2003-2004,3.8,