55% (2008)

56% (1996)

64% (2005)

52% (2006)

54% (2005)

38% (1998)

49% (2000)

38% (1998)

52% (2000)

41% (1999)

47% (2003)

43% (1995)

32% (1997)

64% (1997)

15% (1997)

40% (1994)

51% (2000)

72% (1996)

20% (2000)

0% (1999)