82% (2003)

76% (2001)

74% (2012)

40% (2008)

64% (1999)

0% (2002)

69% (2016)

61% (2005)

78% (2017)

60% (2006)

77% (2008)

0% (2010)

0% (2003)

70% (2015)

60% (2015)

70% (2014)

60% (2013)

70% (2005)

0% (2007)

90% (2008)