68% (1993)

82% (2011)

67% (2010)

80% (2002)

67% (1968)

79% (2006)

84% (1957)

60% (1991)

80% (1986)

76% (2001)

83% (2009)

52% (1998)

68% (2019)

83% (2015)

79% (2021)

76% (2016)

67% (1994)

56% (1988)

75% (2017)

77% (1987)