61% (1967)

69% (1973)

63% (1966)

72% (1972)

75% (1973)

49% (1965)

45% (1971)

63% (1969)

56% (1965)

63% (1968)

59% (1969)

75% (1968)

57% (1964)

51% (1966)

51% (1968)

43% (1968)

80% (2015)

50% (1967)

60% (1966)

54% (1964)