73% (1987)

64% (2016)

67% (2006)

55% (2009)

63% (2012)

70% (1985)

73% (1992)

60% (2016)

52% (2013)

62% (2018)

65% (1999)

77% (2005)

54% (1953)

71% (1992)

66% (1982)

66% (2004)

57% (1988)

57% (2008)

56% (2011)

76% (2021)