50% (1998)

49% (1999)

50% (1996)

54% (1994)

52% (2002)

52% (1994)

54% (1999)

62% (1989)

53% (1989)

46% (1996)

46% (2000)

63% (1989)

63% (1994)

65% (1990)

56% (2004)

55% (2003)

0% (2026)