81% (2017)

0% (2003)

40% (2005)

30% (2001)

76% (2004)

89% (2006)

65% (1998)

20% (2008)

83% (2014)

55% (2005)

60% (2008)

82% (2010)

70% (2011)

0% (2002)

0% (2013)

77% (2010)

70% (2009)

68% (2005)

0% (2015)

26% (2003)