70% (1998)

61% (1999)

50% (1999)

63% (2005)

59% (2000)

52% (2000)

50% (2000)

0% (2003)

50% (1996)

0% (2000)

55% (1997)

0% (2004)

50% (2001)

0% (1993)

0% (2002)

68% (1996)

0% (1998)

47% (1998)

67% (1997)

25% (2004)