56% (1965)

61% (1969)

60% (1975)

70% (1980)

58% (1969)

40% (1963)

100% (1971)

62% (1968)

37% (1968)

55% (1964)

70% (1984)

71% (1966)

57% (1968)

0% (1980)

0% (1979)

0% (1964)

0% (1958)

0% (1989)

50% (1965)

46% (1973)