56% (1985)

67% (1985)

77% (1962)

65% (1969)

45% (1987)

50% (1984)

56% (1974)

59% (1980)

60% (1992)

60% (1963)

70% (1981)

68% (1981)

60% (1982)

58% (1965)

20% (1991)

85% (2007)

56% (1977)

55% (1983)

37% (1973)

35% (1978)