2004-05 - 12959 @ 2005-06 - 15698 @ 2006-07 - 18465 @  2007-08 - 21885 @ 2008-09 - 23557 @ 2009-10 - 26740 @ 2010-11 - 34668 @ 2011-12 - 40000 (અંદાજ)