65% (1986)

68% (1992)

69% (1970)

66% (1976)

65% (2000)

68% (1999)

78% (1980)

52% (1982)

69% (2019)

59% (2006)

77% (1991)

65% (2002)

59% (2009)

74% (2003)

72% (1988)

59% (1987)

68% (2007)

65% (2008)

76% (2000)

54% (2017)