55% (1971)

60% (2008)

70% (2024)

71% (2023)

66% (2022)

70% (2005)

60% (2004)

80% (2010)

79% (2015)

70% (2007)

75% (2023)

66% (2017)

58% (2017)

66% (1985)

90% (2023)

86% (2018)

83% (2014)

65% (2024)

87% (2023)

77% (2007)