64% (1999)

69% (2001)

81% (2000)

61% (2002)

65% (2004)

77% (2004)

67% (1999)

57% (1999)

53% (2002)

43% (2000)

66% (1999)

62% (2000)

49% (2000)

44% (2001)

45% (2002)

59% (2001)

46% (1999)

52% (2004)

31% (2003)

65% (2004)