54% (1997)

45% (1997)

45% (1996)

46% (1995)

39% (2005)

34% (1996)

36% (1996)

38% (1997)

44% (1995)

38% (1999)

52% (1995)

47% (1996)

32% (1999)

56% (1994)

39% (2008)

0% (1998)