1978-1979,719.5,
1979-1980,623.3,
1980-1981,504.3,
1981-1982,406.1,
1982-1983,359.6,
1983-1984,326.8,
1984-1985,295.2,
1985-1986,270.7,
1986-1987,240.4,
1987-1988,217.0,
1988-1989,191.6,
1989-1990,163.2,
1990-1991,145.3,
1991-1992,122.8,
1992-1993,109.2,
1993-1994,99.2,
1994-1995,93.2,
1995-1996,85.1,
1996-1997,80.0,
1997-1998,71.5,
1998-1999,63.9,
1999-2000,57.3,
2000-2001,48.0,
2001-2002,42.3,
2002-2003,36.4,
2003-2004,31.7,
2004-2005,26.9,
2005-2006,21.9,
2006-2007,17.9,
2007-2008,13.2,
2008-2009,8.7,
2009-2010,5.4,
2010-2011,4.1,
2011-2012,1.8,