65% (1999)

76% (2002)

61% (2001)

44% (2004)

72% (2002)

72% (2002)

60% (2003)

68% (2000)

62% (2003)

57% (2002)

57% (1999)

41% (2001)

49% (2000)

69% (2000)

58% (2001)

66% (2002)

62% (2002)

52% (2003)

62% (1999)

54% (2001)