69% (2001)

64% (1999)

81% (2000)

60% (2002)

78% (2004)

67% (1999)

43% (2000)

57% (1999)

65% (2004)

53% (2002)

62% (2000)

65% (1999)

44% (2001)

45% (2002)

58% (2001)

59% (2001)

49% (2001)

65% (2004)

58% (2004)

46% (1999)