69% (2013)

70% (2004)

74% (2010)

77% (2003)

81% (1999)

65% (2017)

61% (2003)

93% (2005)

61% (2005)

78% (2015)

61% (2006)

82% (2002)

48% (2002)

76% (2018)

79% (2006)

64% (2014)

65% (2011)

75% (2005)

70% (2002)

85% (2004)