44% (1988)

0% (1978)

63% (1966)

57% (1982)

50% (1955)

65% (1980)

70% (1955)

70% (1975)

63% (1992)

50% (1980)

65% (1971)

50% (1963)

0% (1975)

46% (1989)

67% (1984)

50% (1948)

57% (1978)

60% (1973)

50% (1960)

67% (1978)