66% (1989)

68% (1993)

79% (2011)

71% (2004)

52% (1998)

100% (2002)

78% (1988)

69% (2003)

78% (2012)

62% (2005)

64% (2015)

62% (2017)

62% (2002)

70% (2016)

72% (2003)

55% (2010)

76% (2010)

77% (2002)

78% (2009)

72% (2006)