73% (1995)

80% (1966)

73% (1982)

75% (1991)

75% (2005)

78% (1970)

54% (1991)

67% (1967)

78% (1985)

81% (2005)

67% (2001)

72% (1998)

80% (1997)

60% (1983)

50% (1987)

0% (2001)

76% (1982)

60% (1994)

76% (2005)

60% (1988)