44% (1996)

58% (1992)

57% (2002)

61% (1999)

30% (1997)

41% (2001)

45% (1993)

51% (1998)

36% (2002)

52% (1996)

0% (1998)

40% (2002)

37% (1997)

35% (1993)

53% (2000)

20% (1991)

27% (1991)

27% (1992)