51% (2000)

64% (1999)

63% (2000)

56% (1984)

65% (2001)

55% (1997)

45% (2002)

50% (2000)

30% (1998)

56% (1999)

47% (1999)

55% (1997)

47% (1996)

35% (1998)

67% (2000)

56% (1999)

33% (1998)

37% (2000)

0% (2002)

63% (2001)