48% (1999)

49% (2000)

40% (2005)

42% (1999)

30% (2000)

34% (2002)

36% (1998)

49% (1998)

40% (2002)

29% (2000)

43% (1987)

50% (2007)

50% (2000)

32% (2019)

34% (2001)

51% (1998)

37% (2002)

53% (1997)

46% (1999)

46% (2001)