78% (2001)

78% (2010)

75% (2012)

76% (2016)

62% (2011)

69% (2012)

52% (2002)

50% (2009)

0% (2006)

70% (2011)

0% (2011)

38% (2005)

35% (2001)

67% (2001)

69% (2011)

45% (2004)

73% (2008)

48% (2010)

70% (2011)

66% (2009)