74% (1999)

83% (1993)

77% (2006)

80% (2004)

65% (2001)

81% (1981)

82% (1999)

62% (1989)

62% (1990)

0% (2001)

69% (2005)

69% (1997)

60% (1996)

0% (2021)

57% (2003)

0% (2009)

57% (1985)

60% (2001)

59% (2000)

70% (2002)