55% (1994)

54% (1994)

51% (1994)

50% (1994)

52% (1998)

49% (2003)

49% (1994)

55% (1997)

64% (2000)

55% (2000)

46% (1994)

53% (1994)

30% (1998)

47% (2000)

42% (1998)

56% (2003)

35% (1996)

45% (1997)

44% (1997)

35% (2001)