59% (1999)

61% (2004)

50% (1999)

88% (2004)

51% (1992)

45% (2002)

62% (1994)

59% (1991)

40% (2003)

63% (1998)

82% (2003)

55% (1998)

45% (1993)

80% (2004)

40% (1997)

49% (1991)

51% (1996)

49% (2003)

51% (1989)

50% (1998)