53% (1998)

63% (2005)

54% (2005)

70% (2001)

85% (2009)

75% (2007)

50% (2010)

70% (2013)

68% (2015)

79% (2013)

66% (2001)

64% (2004)

77% (2013)

90% (2017)

70% (2004)

64% (1999)

50% (2008)

72% (2006)

86% (2007)

27% (2016)