48% (1973)

51% (1978)

63% (1986)

64% (2011)

38% (1986)

70% (1998)

75% (1984)

70% (2001)

78% (1946)

59% (1972)

58% (2010)

55% (2011)

57% (2014)

40% (1974)

54% (1973)

25% (2000)

36% (2023)

69% (2008)

63% (1968)

70% (1980)