54% (2005)

56% (1996)

52% (2006)

55% (2008)

52% (2000)

61% (2006)

47% (2003)

64% (1997)

49% (2000)

28% (2001)

41% (1999)

14% (2000)

43% (1995)

0% (1999)

20% (1995)

72% (1996)

51% (2000)

55% (1999)

15% (1997)

0% (2000)