80% (1998)

57% (1999)

0% (1998)

0% (1993)

60% (1996)

53% (1994)

73% (1992)

56% (2006)

60% (1999)

45% (1998)

47% (1998)

52% (2001)

60% (2001)

39% (2003)

35% (2000)

68% (1997)

10% (1996)

55% (1997)

49% (2004)

32% (2002)