66% (1993)

56% (2001)

66% (1996)

71% (2010)

92% (2009)

85% (2008)

76% (2008)

53% (2007)

50% (2008)

0% (2004)

78% (2003)

0% (2001)

40% (1995)

62% (2009)

71% (2005)

69% (2010)

0% (2008)

71% (2012)

0% (2002)

70% (2011)