57% (1984)

50% (1966)

80% (1983)

60% (1973)

0% (1993)

50% (2000)

50% (1976)

58% (1991)

0% (1977)

60% (1976)

57% (1973)

60% (1964)

56% (1977)

61% (1956)

0% (1995)

0% (1989)

52% (1979)

48% (2002)

50% (1952)

60% (1961)