68% (2003)

81% (1990)

78% (1987)

88% (2000)

68% (1997)

78% (1997)

70% (2016)

76% (1992)

20% (1986)

78% (2007)

70% (2004)

54% (1987)

56% (1987)

87% (2002)

0% (1988)

60% (1989)

77% (2005)

60% (1998)

41% (1990)

95% (2010)