61% (1999)

70% (1999)

67% (2000)

50% (2001)

59% (2002)

65% (2000)

31% (2001)

60% (1999)

50% (1998)

40% (2000)

64% (2001)

47% (2003)

34% (2000)

65% (2000)

72% (2002)

60% (1999)

43% (1999)

55% (2001)

27% (2001)

69% (2000)