50% (1994)

0% (1979)

77% (2010)

0% (1977)

0% (1984)

0% (1982)

50% (1974)

0% (1981)

80% (1982)

50% (1993)

70% (1978)

50% (1983)

0% (1978)

0% (1979)

0% (1976)

50% (1992)

0% (1975)

40% (1989)

0% (1983)

0% (1981)