74% (1991)

83% (2007)

77% (2008)

72% (1985)

78% (2015)

72% (2003)

67% (1993)

57% (2006)

76% (2016)

59% (1992)

73% (2004)

63% (1984)

72% (1960)

67% (2007)

62% (2022)

87% (2017)

69% (2010)

65% (2017)

63% (1969)

35% (1996)