58% (1992)

50% (1994)

47% (1999)

50% (1992)

55% (1997)

24% (1994)

53% (1991)

30% (1993)

50% (1995)

0% (1991)

32% (1998)

75% (1991)

28% (1999)

52% (1995)

35% (2000)

75% (1994)

50% (1993)