64% (1983)

73% (1993)

75% (2021)

76% (2007)

67% (2013)

59% (2022)

63% (2020)

50% (1986)

70% (2004)

63% (2018)

48% (2023)

67% (2022)

47% (2006)

66% (2020)

44% (1984)

68% (1968)

64% (2009)

70% (1988)

65% (2007)

51% (2011)