42% (1999)

61% (1999)

43% (1998)

42% (1998)

25% (1996)

49% (1999)

24% (1996)

44% (1996)

43% (1999)

36% (1998)

44% (1999)

35% (1997)

40% (1997)

10% (1996)

36% (1997)

40% (1999)

37% (1998)

0% (1999)

43% (1995)

50% (1998)