54% (1999)

79% (2000)

61% (2002)

65% (2002)

58% (2003)

56% (2002)

61% (2001)

66% (2003)

65% (2001)

65% (1999)

67% (1999)

51% (2001)

63% (2003)

0% (2001)

61% (2000)

76% (1997)

60% (1999)

52% (2000)

60% (2002)

60% (2002)