60% (2002)

70% (2004)

62% (2017)

74% (2001)

60% (2006)

63% (2006)

69% (2006)

68% (2004)

72% (2003)

67% (2004)

62% (2007)

62% (2003)

69% (2003)

60% (2003)

51% (2005)

62% (2001)

71% (2002)

71% (2007)

66% (2007)

69% (2005)