75% (2012)

68% (2005)

71% (2011)

70% (2003)

63% (2006)

76% (2006)

70% (2010)

59% (2006)

64% (2005)

56% (2005)

63% (2008)

56% (2003)

0% (2009)

55% (2008)

62% (2005)

57% (2010)

52% (2005)

69% (2005)

68% (2002)

67% (2005)