67% (2000)

85% (2000)

78% (2007)

70% (2005)

83% (2009)

68% (1998)

70% (2000)

70% (2007)

65% (2010)

72% (2010)

72% (2002)

79% (2013)

70% (2011)

75% (2007)

78% (2011)

81% (2002)

70% (2010)

63% (2010)

65% (1999)

66% (2009)