64% (1969)

0% (1990)

60% (1982)

72% (1964)

60% (1961)

60% (1977)

0% (1974)

65% (1951)

44% (1961)

80% (1966)

70% (1967)

40% (1984)

0% (1973)

57% (1954)

0% (1961)

49% (1971)

0% (1983)

37% (1988)

0% (1991)

0% (1989)