51% (1998)

48% (1998)

37% (2002)

34% (2001)

20% (2001)

29% (2000)

40% (2002)

48% (1999)

29% (2002)

32% (1998)

52% (2017)

50% (2007)

48% (2001)

34% (2001)

13% (2002)

39% (2002)

45% (1999)

46% (2001)

70% (2002)

65% (1988)