a 2000 a
l
a 2001 a
l
a 2002 a
l
a 2003 a
l
a 2004 a
l
a 2005 a
l
aa 2006 a
l
a 2007 a
l
a 2008 a
a 2009 a
l
a 2010 a
l
a 2011 a
l