49% (1980)

40% (1963)

68% (1967)

75% (1947)

53% (1989)

0% (1987)

50% (1993)

45% (1951)

70% (1956)

46% (1971)

54% (1969)

54% (1969)

50% (1956)

53% (1969)

50% (1982)

39% (1987)

44% (1981)

51% (1993)

52% (1986)

0% (1950)