32% (1992)

59% (1992)

45% (1996)

27% (1991)

61% (1999)

57% (2002)

45% (1993)

40% (2002)

0% (1998)

35% (1993)

37% (1997)

36% (2002)

51% (1998)

52% (1996)

53% (2000)

41% (2001)

30% (1997)

20% (1991)