68% (2015)

73% (2015)

62% (2000)

57% (2003)

58% (2011)

68% (2004)

71% (2014)

69% (1998)

60% (2008)

72% (2014)

63% (2001)

67% (2012)

63% (2000)

56% (2013)

65% (2003)

58% (2009)

67% (2001)

52% (2007)

74% (2003)

55% (2012)