75% (2012)

68% (2005)

70% (2003)

76% (2006)

63% (2006)

71% (2011)

64% (2005)

70% (2010)

55% (2005)

68% (2002)

65% (2002)

63% (2008)

57% (2010)

58% (2006)

67% (2005)

60% (2010)

55% (2008)

0% (2009)

56% (2003)

69% (2005)