50% (1989)

0% (1985)

90% (1998)

72% (1996)

70% (1983)

70% (1997)

0% (1982)

0% (1984)

0% (2006)

30% (1987)

60% (1989)

0% (1990)

40% (1992)

0% (1986)

100% (1998)

0% (2009)

0% (1997)

0% (1992)

0% (1983)

80% (1999)