74% (1978)

74% (1989)

65% (1987)

64% (1986)

77% (2008)

77% (2022)

69% (2013)

72% (2016)

62% (2016)

67% (1994)

78% (1987)

67% (1996)

53% (1997)

74% (1977)

70% (2012)

55% (2003)

74% (2012)

52% (1967)

59% (2017)

47% (2014)