62% (2009)

69% (2004)

65% (2002)

74% (1988)

65% (2019)

86% (2018)

77% (2003)

77% (2011)

53% (1996)

68% (2018)

69% (2005)

78% (1994)

64% (2007)

75% (2004)

76% (2013)

74% (1981)

77% (1996)

72% (2003)

60% (1997)

66% (2006)