72% (1959)

76% (1960)

69% (1958)

62% (1955)

58% (1965)

60% (1958)

55% (2003)

0% (1955)

70% (1956)

57% (1954)

65% (1961)

40% (1961)

53% (1961)

62% (1960)

60% (1963)

66% (1959)

59% (1968)

42% (1953)

10% (1956)

70% (1953)