78% (2022)

77% (2022)

78% (2012)

72% (2018)

72% (2009)

60% (2016)

66% (2015)

56% (2015)

62% (2018)

66% (2016)

61% (2004)

56% (2013)

66% (2011)

62% (1989)

63% (2015)

64% (2007)