64% (1999)

69% (2001)

81% (2000)

61% (2002)

67% (1999)

43% (2000)

56% (1999)

53% (2002)

64% (2004)

59% (2001)

66% (1999)

53% (2004)

43% (2001)

45% (2002)

31% (2003)

46% (1999)

65% (2004)

49% (2000)

51% (2001)

58% (2001)