51% (2003)

40% (2004)

77% (2012)

33% (2004)

54% (2011)

44% (2006)

66% (2012)

56% (2007)

61% (2010)

75% (2005)

50% (2013)

64% (2009)

59% (2003)

43% (2011)

73% (2014)

52% (2014)

60% (2011)

0% (2005)

0% (2013)

68% (2002)