63% (1999)

61% (2002)

43% (2000)

67% (1999)

81% (2000)

59% (2001)

65% (2004)

32% (2003)

55% (1999)

46% (1999)

53% (2002)

58% (2004)

64% (2004)

62% (2002)

66% (1999)

43% (2001)

44% (2002)

59% (2001)

60% (1998)

49% (2000)