61% (2015)

62% (2015)

74% (2016)

76% (1999)

72% (2000)

70% (2004)

77% (1997)

50% (2003)

73% (2003)

69% (2010)

78% (2006)

59% (2009)

64% (2010)

62% (2004)

76% (2002)

64% (2007)

42% (2005)

62% (2000)

72% (2008)

79% (2004)