76% (2016)

77% (2010)

78% (2001)

75% (2012)

35% (2001)

70% (2011)

35% (2004)

52% (2002)

43% (2006)

70% (2012)

38% (2005)

63% (2011)

66% (2009)

73% (2008)

67% (2001)

70% (2011)

0% (2006)

70% (2011)

50% (2009)

48% (2010)