82% (1989)

58% (1984)

49% (2005)

74% (1977)

70% (1971)

76% (1971)

56% (1977)

75% (1970)

73% (1969)

73% (1979)

67% (1986)

82% (1977)

61% (1983)

80% (1978)

0% (2003)

67% (2003)

50% (1984)

50% (1976)

100% (1988)

0% (1983)