52% (1992)

50% (1951)

46% (1987)

65% (1966)

78% (1976)

50% (1968)

57% (1955)

62% (1975)

65% (1979)

50% (1985)

90% (1969)

0% (1967)

48% (1981)

57% (1988)

52% (1985)

51% (2001)

53% (1995)

45% (1982)

65% (1963)

50% (1981)