72% (2003)

76% (1987)

64% (1996)

72% (2013)

66% (2019)

64% (2024)

61% (2024)

65% (2009)

73% (2010)

73% (1983)

68% (1996)

70% (2001)

64% (2015)

70% (1991)

70% (2012)

71% (2000)

56% (2015)

68% (2018)

64% (1984)

59% (2003)