69% (2022)

64% (2025)

71% (2010)

77% (2005)

77% (1969)

78% (1985)

78% (1993)

77% (2024)

75% (1971)

60% (2013)

66% (2021)

0% (1997)

80% (2001)

65% (2004)

77% (2021)

72% (1993)

79% (1969)

70% (2013)

70% (2007)

55% (1961)