68% (2003)

80% (1999)

75% (2009)

58% (2009)

66% (2008)

77% (2002)

72% (2009)

41% (2008)

62% (2010)

62% (2005)

61% (2005)

60% (2008)

65% (2008)

77% (2005)

56% (2007)

69% (2010)

54% (2008)

67% (2005)

72% (2012)

64% (2000)