56% (1992)

69% (1993)

56% (1998)

53% (1997)

55% (1986)

43% (1994)

50% (1994)

47% (1984)

100% (1993)

50% (1988)

60% (1989)

50% (1993)

0% (1992)

64% (1988)

42% (1996)

57% (1990)

0% (1989)

60% (1987)

0% (2001)

0% (1997)