80% (1983)

71% (2015)

69% (2011)

78% (2015)

59% (1977)

23% (2008)

30% (1984)

60% (1968)

74% (2002)

78% (2012)

67% (2018)

69% (2018)

73% (1977)

75% (1996)

67% (2023)

60% (1993)

78% (2007)

72% (2012)

72% (2013)

63% (1967)