67% (2005)

66% (2006)

70% (2022)

66% (2023)

66% (2013)

78% (2018)

78% (2006)

73% (1987)

75% (1993)

70% (1991)

74% (2009)

66% (2023)

72% (1991)

83% (1997)

74% (2004)

68% (2021)

64% (2010)

75% (2017)

63% (2024)

59% (2010)