63% (2005)

74% (2010)

70% (2020)

63% (2002)

66% (1973)

50% (2017)

69% (1984)

61% (2018)

61% (2020)

72% (2001)

60% (2014)

84% (1962)

77% (1996)

52% (1993)

55% (1985)

59% (1987)

56% (2012)

74% (2006)

63% (1992)

68% (2016)