55% (2024)

60% (2021)

61% (2023)

71% (1987)

63% (2011)

63% (2005)

56% (2006)

65% (2009)

48% (2018)

72% (1982)

69% (2018)

62% (2017)

55% (1980)

68% (1988)

75% (1975)

69% (2017)

76% (1993)

66% (1998)

65% (2013)

72% (2017)