43% (2004)

65% (1999)

61% (2001)

41% (2001)

69% (2000)

65% (2002)

76% (2002)

60% (2003)

55% (2001)

49% (2000)

71% (2002)

53% (2001)

56% (2002)

68% (2000)

58% (2001)

67% (2000)

72% (2002)

62% (1999)

62% (2003)

56% (1999)