65% (1949)

57% (2024)

39% (2011)

70% (1961)

57% (2011)

54% (2008)

56% (2011)

62% (2007)

68% (1957)

69% (1993)

64% (1985)

57% (2006)

69% (2002)

64% (2006)

59% (2024)

68% (2022)

57% (2005)

48% (1989)

58% (2004)

73% (1991)