74% (1973)

65% (1976)

57% (2020)

65% (1990)

74% (1954)

57% (1974)

61% (1966)

50% (1993)

55% (1974)

60% (1976)

54% (1974)

62% (1959)

73% (1962)

62% (1972)

64% (1957)

41% (2011)

50% (1954)

55% (1953)

62% (1950)

45% (1995)