82% (2024)

80% (1981)

85% (1996)

68% (2002)

80% (2005)

78% (1978)

78% (2006)

87% (2019)

73% (2021)

57% (2007)

92% (1985)

64% (2017)

0% (1973)

0% (1973)

70% (2011)

88% (2019)

80% (2013)

67% (2009)

73% (2009)

69% (2024)