76% (2006)

63% (2007)

61% (2006)

64% (2014)

66% (2007)

73% (2006)

64% (2005)

61% (2009)

73% (2008)

50% (2009)

80% (2008)

65% (2008)

46% (2006)

60% (2009)

50% (2006)

54% (2012)