62% (2015)

61% (2015)

74% (2016)

76% (1999)

70% (2004)

72% (2000)

77% (1997)

50% (2003)

78% (2006)

69% (2010)

72% (2003)

64% (2010)

76% (2002)

62% (2004)

59% (2009)

42% (2005)

72% (2008)

64% (2007)

63% (2010)

59% (2001)