67% (1989)

67% (1993)

50% (1998)

64% (2015)

79% (2012)

62% (2017)

62% (2005)

70% (2016)

76% (2010)

71% (2004)

78% (1988)

77% (2009)

77% (2002)

80% (2011)

73% (2007)

100% (2002)

73% (2015)

66% (2006)

48% (2000)

72% (2003)