56% (1977)

51% (1973)

46% (1977)

55% (2014)

47% (1976)

47% (1977)

58% (1977)

53% (1995)

58% (1980)

52% (1980)

75% (1973)

50% (1978)

59% (1976)

56% (1975)

0% (1940)

51% (1976)

56% (1980)

48% (1977)

60% (1961)

37% (1983)