56% (2006)

59% (2002)

62% (2004)

60% (2003)

61% (2003)

61% (2011)

55% (2008)

54% (2006)

60% (2005)

72% (2005)

76% (2004)

73% (2015)

66% (2013)

67% (2005)

62% (2010)

63% (2002)

65% (2003)

64% (2001)

68% (2008)

64% (2013)