55% (1997)

47% (1996)

45% (1996)

43% (1995)

35% (1996)

34% (1996)

38% (1997)

38% (1999)

45% (1997)

39% (2008)

39% (2005)

32% (1999)

46% (1995)

52% (1995)

0% (1998)

56% (1994)