70% (1989)

70% (2004)

78% (1999)

57% (1993)

80% (1996)

70% (1979)

76% (2007)

61% (1983)

71% (1974)

60% (1997)

81% (1987)

57% (1984)

73% (1978)

71% (1994)

76% (1979)

53% (2008)

0% (1977)

74% (2024)

79% (2002)

62% (1977)