20% (1998)

40% (2014)

65% (2003)

52% (2016)

20% (2010)

82% (2012)

86% (2017)

80% (2004)

80% (2003)

100% (1997)

80% (2002)

73% (1998)

58% (2011)

20% (2017)

75% (2006)

80% (2016)

55% (2017)

20% (2004)

30% (1996)

85% (2013)