59% (2002)

74% (2001)

69% (2004)

62% (2017)

63% (2006)

59% (2006)

69% (2003)

73% (2003)

62% (2003)

67% (2004)

68% (2004)

62% (2007)

71% (2002)

72% (2007)

69% (2006)

66% (2007)

59% (2006)

45% (2005)

41% (2003)

50% (2005)