72% (2015)

68% (2015)

57% (2011)

68% (2004)

70% (2014)

62% (2000)

56% (2013)

57% (2003)

72% (2014)

68% (1998)

59% (2008)

63% (2000)

58% (2009)

63% (2001)

74% (2003)

66% (2009)

67% (2012)

65% (2003)

0% (2006)

55% (2012)