71% (1998)

66% (1992)

45% (2000)

63% (2004)

54% (1996)

52% (1994)

52% (2002)

69% (1995)

66% (1995)

60% (1998)

33% (1999)

62% (2001)

32% (1995)

0% (1995)

40% (2000)

46% (1992)

40% (1991)

47% (1996)

61% (1991)