54% (1999)

51% (2001)

72% (1999)

56% (2002)

63% (1998)

57% (1997)

48% (1998)

61% (1999)

52% (2001)

59% (1999)

58% (2000)

63% (1998)

60% (1999)

55% (1997)

80% (1998)

35% (2000)

50% (1999)

60% (1997)

0% (1999)

52% (2000)