72% (1979)

60% (1932)

64% (1985)

51% (1998)

54% (1996)

63% (1972)

50% (1983)

63% (1987)

70% (1955)

74% (2010)

63% (1950)

59% (2002)

69% (1973)

64% (1951)

59% (1993)

56% (2010)

69% (1953)

61% (1976)

60% (1974)

64% (1946)