81% (1989)

74% (1977)

48% (2005)

77% (1971)

58% (1984)

73% (1969)

80% (1978)

83% (1977)

75% (1970)

66% (2003)

50% (1976)

67% (1986)

73% (1979)

0% (1979)

72% (1982)

0% (1959)

60% (1984)

62% (1983)

50% (1983)

100% (1988)