67% (1997)

69% (1999)

51% (2002)

52% (2001)

72% (1995)

58% (1997)

41% (2002)

49% (2002)

71% (1999)

60% (2001)

57% (1997)

85% (1998)

30% (2000)

50% (1996)

58% (1999)

53% (1994)

60% (1999)

68% (1997)

64% (1998)

62% (1999)