69% (1979)

56% (1992)

64% (1998)

65% (1983)

77% (2021)

63% (2011)

50% (2004)

56% (1996)

54% (2011)

58% (1999)

61% (1979)

68% (1999)

61% (1989)

64% (1999)

64% (1984)

73% (1974)

76% (1945)

60% (1993)

56% (2002)

64% (1977)