69% (2012)

77% (2011)

70% (2002)

74% (2015)

75% (2013)

58% (1998)

70% (2000)

62% (2010)

0% (2002)

70% (2008)

25% (2003)

62% (2011)

65% (2011)

20% (2000)

64% (2005)

70% (2000)

0% (2004)

43% (2013)