65% (2000)

80% (2002)

58% (2004)

55% (2007)

58% (2001)

65% (2003)

64% (2001)

59% (2000)

65% (2001)

73% (2006)

61% (2000)

60% (2003)

51% (2000)

62% (2004)

68% (2004)

57% (1998)

68% (2005)

54% (1998)

60% (2001)