39% (2002)

37% (1998)

34% (2001)

44% (2001)

42% (1997)

40% (2005)

44% (1999)

53% (1997)

38% (2002)

24% (1999)

48% (1999)

35% (2002)

48% (1998)

30% (2000)

13% (2002)

42% (1999)

45% (1998)

37% (2002)

50% (2007)

52% (2017)