85% (2000)

75% (2007)

83% (2009)

81% (2002)

79% (2013)

79% (2011)

71% (2010)

77% (2007)

66% (1998)

72% (2013)

70% (2007)

70% (2014)

68% (2000)

71% (2002)

66% (2010)

70% (2005)

62% (2000)

65% (2000)

64% (2010)

67% (2009)