54% (1994)

50% (1994)

49% (1994)

55% (1994)

46% (1994)

64% (2000)

55% (1997)

53% (1994)

52% (1998)

47% (2000)

44% (1997)

45% (1997)

56% (2000)

55% (2000)

30% (1998)

30% (2000)

57% (1998)

20% (1998)

35% (2000)

44% (2000)