47% (1993)

50% (1994)

49% (1999)

59% (1995)

40% (1998)

47% (1993)

35% (1998)

41% (1994)

50% (1994)

47% (1995)

74% (1999)

62% (1996)

17% (1999)

32% (1995)

50% (1998)

30% (1996)

64% (1995)

50% (1997)

72% (1995)

59% (1995)