71% (1996)

70% (2003)

79% (2013)

86% (2001)

66% (2017)

72% (2011)

78% (2010)

75% (2002)

80% (2005)

77% (2004)

83% (2001)

71% (2009)

70% (1998)

80% (2016)

66% (2003)

74% (2001)

65% (2012)

0% (1996)

65% (2002)

70% (2005)