42% (1995)

40% (1998)

53% (1998)

32% (1996)

43% (1995)

33% (1997)

20% (1999)

23% (1998)

30% (2000)

40% (1999)

40% (1996)

18% (1996)

38% (2004)

31% (2003)

47% (1998)

51% (1996)

46% (1997)

58% (1998)

53% (1997)

51% (1997)