59% (2002)

70% (2004)

62% (2017)

74% (2001)

59% (2006)

63% (2006)

68% (2004)

69% (2006)

69% (2003)

61% (2007)

51% (2005)

67% (2004)

61% (2003)

72% (2003)

71% (2002)

70% (2003)

59% (2004)

52% (2001)

57% (2005)

59% (2003)