64% (1960)

69% (2002)

68% (2010)

68% (1976)

72% (2015)

67% (2018)

65% (2011)

80% (2004)

59% (2022)

60% (1989)

61% (1988)

75% (2012)

58% (2006)

70% (2021)

72% (1973)

78% (1980)

23% (1976)

73% (1976)

62% (1975)

51% (2018)