76% (2006)

63% (2007)

62% (2006)

50% (2009)

46% (2006)

75% (2006)

63% (2014)

80% (2008)

61% (2009)

66% (2007)

66% (2005)

60% (2009)

73% (2008)

54% (2012)

65% (2008)

50% (2006)