71% (2004)

64% (2011)

65% (2004)

68% (2004)

64% (2012)

71% (2006)

60% (2004)

70% (2011)

61% (2008)

65% (2006)

70% (2010)

66% (2006)

76% (2003)

67% (2010)

66% (2009)

62% (2005)

70% (2009)

61% (2008)

59% (2011)

69% (2002)