• 1997 to 1997 2
• 1998 to 1999 13
• 2000 to 2001 10
• 2002 to 2003 8
• 2004 to 2005 12
• 2006 to 2007 12
• 2008 to 2009 8
• 2010 to 2011 8
• 2012 to 2013 12
• 2014 to 2015 2