69% (1973)

75% (1973)

72% (1972)

63% (1966)

49% (1965)

63% (1969)

61% (1967)

63% (1968)

56% (1965)

75% (1968)

45% (1971)

59% (1969)

51% (1968)

56% (1964)

43% (1968)

60% (1966)

54% (1964)

51% (1966)

50% (1967)

80% (2015)