71% (2006)

78% (2018)

68% (2008)

73% (2020)

70% (2006)

63% (2017)

62% (1998)

58% (2022)

47% (1985)

48% (2008)

54% (2006)

57% (1973)

69% (2007)

66% (2024)

69% (2002)

64% (2008)

56% (1975)

61% (1980)

70% (1969)

67% (2024)