49% (1997)

52% (1961)

70% (1956)

39% (2014)

50% (1958)

56% (1972)

60% (1968)

48% (1972)

52% (1959)

68% (1970)

50% (1958)

42% (1959)

50% (1959)

56% (1967)

48% (1957)

50% (1961)

52% (1961)

57% (1965)

50% (1958)

55% (1964)