61% (2015)

61% (2015)

75% (1999)

70% (2004)

50% (2003)

64% (2010)

77% (2006)

72% (2003)

77% (1997)

71% (2000)

70% (2010)

76% (2002)

74% (2001)

61% (2005)

69% (2004)

68% (2006)

57% (2001)

63% (2007)

63% (2000)

72% (2008)