73% (1962)

73% (1961)

73% (1966)

70% (1961)

72% (1966)

53% (2002)

72% (1964)

73% (1964)

63% (1966)

61% (1959)

68% (1966)

69% (1961)

75% (1965)

59% (1966)

69% (1965)

61% (1967)

40% (2001)

53% (1968)

62% (1967)

60% (1958)