47% (1995)

40% (1992)

54% (1993)

38% (2000)

60% (1995)

55% (2000)

33% (2001)

53% (1989)

62% (1995)

57% (2002)

44% (2000)

30% (1992)

70% (1994)

50% (1997)

0% (2001)

30% (1995)

70% (1985)

50% (1990)

51% (1992)

65% (1990)