78% (2022)

76% (2022)

72% (2009)

77% (2012)

72% (2018)

60% (2016)

66% (2016)

56% (2015)

66% (2015)

56% (2013)

62% (2004)

64% (2007)

66% (2011)

62% (2018)

64% (2015)

62% (1989)