65% (1999)

76% (2002)

72% (2002)

68% (2000)

61% (2001)

58% (2001)

62% (2003)

44% (2004)

60% (2003)

57% (2002)

57% (1999)

69% (2000)

49% (2000)

72% (2002)

62% (2002)

70% (1999)

41% (2001)

62% (1999)

66% (2002)

54% (2001)