74% (1988)

75% (2015)

78% (2021)

66% (2013)

58% (1985)

85% (2020)

74% (2009)

69% (2012)

65% (2010)

67% (1992)

67% (2000)

73% (2006)

56% (2007)

50% (2022)

69% (2009)

60% (2023)

78% (2000)

68% (1992)

73% (2004)

76% (2011)