60% (1991)

60% (1971)

59% (1981)

54% (1966)

0% (1982)

44% (1978)

80% (1981)

74% (1958)

53% (1983)

64% (1981)

70% (1974)

42% (1966)

45% (1940)

50% (1985)

46% (1979)

0% (1989)

60% (1987)

47% (1968)

58% (1959)

62% (1987)