66% (2011)

73% (2011)

66% (2013)

72% (2008)

71% (2008)

69% (2014)

73% (2013)

62% (2003)

60% (2009)

64% (2006)

75% (2014)

63% (2003)

67% (2005)

46% (2006)

51% (2003)

77% (2014)

38% (2001)

57% (2007)

41% (2004)

52% (2014)