50% (1975)

60% (1968)

53% (1963)

61% (1974)

70% (1980)

51% (2016)

62% (1962)

58% (1989)

63% (1967)

53% (1977)

0% (1978)

50% (1972)

58% (1970)

53% (1990)

58% (1991)

56% (1979)

48% (1979)

55% (1962)

53% (1981)

50% (1970)