55% (2005)

64% (2011)

70% (2011)

74% (2011)

68% (2004)

65% (2012)

60% (2007)

60% (2004)

65% (2006)

66% (2008)

52% (2006)

64% (2004)

62% (2003)

64% (2004)

58% (2004)

66% (2009)

70% (2009)

72% (2004)

61% (2005)

64% (2011)