80% (2004)

0% (2010)

45% (1985)

60% (2005)

50% (2001)

85% (1987)

77% (2013)

70% (2014)

80% (2012)

60% (2011)

58% (2011)

65% (2015)

40% (2012)

20% (2008)

0% (2015)

40% (2007)

70% (2003)

0% (2011)

80% (2015)

0% (2006)