42% (1964)

67% (1987)

60% (1965)

71% (1987)

0% (1978)

70% (1973)

25% (1991)

79% (1974)

43% (1983)

44% (1982)

80% (1989)

55% (1988)

63% (1980)

50% (1951)

70% (1969)

60% (1959)

50% (1991)

65% (1960)

70% (1986)

50% (1950)