38% (1997)

47% (1995)

42% (1995)

55% (1997)

46% (1996)

34% (1996)

56% (1994)

35% (1996)

44% (1996)

43% (1997)

38% (1999)

0% (1998)

49% (1995)

32% (1999)

39% (2008)

39% (2005)