65% (1999)

76% (2002)

61% (2001)

57% (1999)

72% (2002)

60% (2003)

43% (2004)

41% (2001)

48% (2000)

72% (2002)

57% (2002)

68% (2000)

70% (2001)

69% (2000)

58% (2001)

63% (2003)

55% (2001)

54% (2001)

67% (2000)

62% (2002)