64% (1999)

61% (2002)

81% (2000)

43% (2001)

55% (1999)

43% (2000)

58% (2001)

64% (2004)

67% (1999)

31% (2003)

66% (1999)

46% (1999)

44% (2002)

62% (2000)

53% (2002)

49% (2000)

58% (2004)

57% (2003)

57% (2003)

59% (2001)