66% (1993)

66% (1996)

73% (2001)

56% (2001)

68% (2010)

54% (2007)

76% (2008)

71% (2005)

40% (1995)

90% (2009)

50% (2008)

60% (1997)

0% (2004)

68% (2010)

78% (2003)

0% (2002)

60% (2005)

62% (2009)

0% (2001)

71% (2012)