64% (1998)

65% (2005)

66% (2007)

71% (2011)

70% (2010)

62% (2008)

87% (2015)

60% (2013)

63% (2013)

84% (2016)

56% (2006)

62% (2012)

59% (2009)

65% (2014)

79% (2010)

93% (2019)

81% (2014)

95% (2016)

62% (2006)

40% (2002)