39% (2001)

52% (1976)

49% (2003)

80% (2015)

0% (2005)

80% (1999)

0% (1976)

72% (2015)

79% (1999)

50% (2007)

78% (2004)

77% (2002)

37% (1980)

61% (1986)

66% (2008)

30% (1991)

0% (2006)

66% (1996)

78% (1998)

60% (1997)