• 1989 to 1989 1
• 1990 to 1991 0
• 1992 to 1993 0
• 1994 to 1995 0
• 1996 to 1997 3
• 1998 to 1999 0
• 2000 to 2001 2
• 2002 to 2003 0
• 2004 to 2005 3
• 2006 to 2007 1