72% (2012)

75% (2015)

66% (2014)

69% (2023)

62% (2010)

64% (2023)

62% (2014)

70% (2024)

71% (2016)

73% (2009)

67% (1997)

80% (2022)

66% (2013)

54% (2007)

65% (2024)

63% (2024)

76% (2011)

56% (2023)

65% (2003)

73% (1997)