77% (2013)

64% (2008)

68% (2009)

82% (2004)

76% (2012)

78% (2012)

58% (2006)

60% (2016)

66% (2008)

65% (2004)

82% (2012)

62% (2012)

20% (2004)

60% (2006)

40% (2012)

38% (2005)

75% (2008)

80% (2011)

60% (2007)

70% (2015)