• 1996 to 1997 12
• 1998 to 1999 7
• 2000 to 2001 6
• 2002 to 2003 9
• 2004 to 2005 8
• 2006 to 2007 7
• 2008 to 2009 17
• 2010 to 2011 17
• 2012 to 2013 27
• 2014 to 2015 5