41% (1987)

44% (1981)

68% (1967)

56% (1979)

0% (1950)

54% (1956)

55% (1987)

48% (1982)

70% (1956)

45% (1951)

53% (1989)

50% (1956)

54% (1969)

51% (1993)

50% (1993)

10% (1991)

52% (1986)

0% (1946)

80% (1992)

43% (1955)