65% (1999)

72% (2002)

76% (2002)

61% (2001)

57% (1999)

43% (2004)

60% (2003)

57% (2002)

59% (2001)

48% (2000)

63% (2003)

68% (2000)

73% (2002)

69% (2000)

54% (2001)

59% (2002)

42% (2001)

55% (2001)

62% (2002)

61% (1999)