63% (1975)

50% (1977)

50% (1990)

66% (1984)

50% (1977)

30% (1979)

60% (1958)

50% (1984)

60% (1978)

70% (1999)

60% (1975)

65% (1977)

50% (1978)

50% (1985)

90% (1982)

50% (1983)

50% (1979)

0% (1983)

0% (1920)

63% (1980)