55% (1975)

66% (1996)

75% (2006)

66% (2020)

64% (2011)

68% (2010)

71% (1986)

73% (1999)

58% (2023)

47% (2023)

61% (2004)

78% (1967)

56% (2020)

65% (2008)

69% (1996)

71% (2022)

61% (2018)

57% (1999)

74% (2002)

48% (1995)