0% (1968)

55% (1963)

0% (1983)

20% (1977)

40% (1968)

61% (1969)

20% (1978)

73% (1965)

55% (1982)

71% (1989)

70% (1961)

37% (1977)

100% (1966)

40% (1963)

60% (1980)

48% (1984)

45% (1987)

70% (1959)

78% (1971)

20% (1971)