39% (2002)

30% (2000)

40% (2005)

42% (1999)

47% (2001)

44% (1997)

46% (2001)

34% (2001)

48% (1999)

40% (2002)

48% (1998)

49% (2000)

34% (2002)

53% (1997)

20% (2001)

36% (1998)

50% (2000)

43% (1987)

37% (2002)

24% (2002)