75% (2004)

76% (2006)

69% (2001)

72% (2005)

69% (2006)

70% (2003)

70% (2002)

68% (2008)

52% (2005)

82% (2005)

74% (2003)

82% (2005)

68% (2004)

74% (2005)

85% (2005)

84% (2005)

48% (2008)

63% (2004)

71% (2004)

60% (2006)