43% (1987)

20% (1999)

0% (1993)

41% (1995)

25% (1997)

51% (1994)

33% (2005)

35% (1995)

46% (1998)

40% (2002)

46% (1997)

49% (1987)

46% (1996)

10% (1997)

60% (1996)

41% (1998)

36% (1997)

0% (1995)

30% (1999)

42% (1989)