42% (1999)

57% (1998)

57% (1997)

0% (2004)

59% (2000)

44% (1999)

52% (1997)

0% (1998)

25% (2001)

0% (1997)

58% (2000)

53% (1994)

80% (1996)

60% (1996)

0% (1993)

50% (2004)

0% (1996)

65% (2001)

56% (2005)

0% (2000)