77% (2005)

63% (2006)

61% (2009)

68% (2010)

66% (2002)

64% (2010)

65% (2006)

59% (2004)

63% (2005)

68% (2004)

68% (2004)

53% (2007)

80% (2011)

74% (2008)

67% (2006)

59% (2014)

58% (2006)

63% (2008)

74% (2007)

64% (2003)