57% (1986)

0% (1976)

80% (1978)

70% (1994)

70% (1973)

0% (1996)

0% (1986)

0% (1999)

0% (2004)

0% (1996)

0% (1974)

0% (1986)

0% (1987)

0% (1980)

70% (1983)

0% (1984)

63% (1972)

50% (1982)

80% (1975)

60% (1975)