51% (2001)

54% (1999)

56% (2002)

63% (1998)

0% (1999)

48% (1998)

59% (1999)

61% (1999)

52% (2000)

72% (1999)

57% (1997)

45% (1997)

55% (1997)

52% (2001)

0% (1998)

63% (1998)

58% (2000)

35% (2000)

60% (1999)

80% (1998)