60% (1987)

53% (1992)

62% (1981)

50% (1995)

32% (2004)

63% (1984)

60% (1982)

50% (2000)

45% (1997)

0% (1947)

37% (1984)

50% (1977)

49% (1996)

0% (1954)

62% (1991)

41% (2006)

0% (1983)

0% (1950)

0% (1949)

0% (1948)