75% (2004)

76% (2006)

72% (2005)

69% (2001)

70% (2003)

70% (2002)

69% (2006)

68% (2008)

53% (2005)

84% (2005)

83% (2005)

74% (2003)

85% (2005)

82% (2005)

67% (2004)

67% (2005)

71% (2004)

43% (2006)

49% (2008)

87% (2005)