50% (1959)

56% (1940)

50% (1962)

56% (1962)

50% (1957)

61% (1949)

55% (1973)

50% (1969)

50% (1948)

37% (1993)

43% (1973)

60% (1950)

40% (1990)

50% (1949)

43% (1938)