51% (2010)

58% (2009)

49% (2004)

61% (2012)

0% (2009)

77% (2007)

50% (2008)

59% (2005)

0% (2006)

0% (2007)

0% (2009)

50% (2003)

58% (2009)

60% (2004)

0% (2011)

0% (2002)

60% (2007)

60% (2009)

0% (2002)

80% (2012)