0% (1994)

28% (1994)

80% (1994)

0% (2000)

72% (1995)

39% (1997)

40% (1996)

80% (1994)

49% (1998)

50% (1999)

70% (1993)

0% (2006)

63% (1980)

38% (1994)

0% (1996)

40% (1995)

60% (1997)

20% (1999)

74% (2006)

0% (1998)