45% (2001)

40% (2003)

59% (1999)

70% (2000)

74% (1999)

48% (2001)

0% (2001)

10% (2001)

50% (2001)

60% (2001)

60% (2000)

53% (1999)

0% (2000)

50% (2002)

30% (2003)

47% (2003)

59% (2003)

44% (2004)

0% (2001)

26% (2004)