67% (1997)

71% (1999)

52% (2001)

70% (1999)

51% (2002)

58% (1997)

72% (2004)

49% (2003)

68% (1997)

64% (1998)

0% (1998)

61% (2001)

41% (2002)

72% (1995)

52% (2001)

60% (1999)

20% (2000)

58% (2000)

58% (1999)

49% (2002)