72% (1961)

50% (1979)

62% (1983)

64% (1976)

69% (1964)

67% (1958)

100% (1965)

61% (1997)

61% (1981)

62% (1986)

60% (1953)

53% (1966)

0% (2003)

61% (1971)

48% (1968)

43% (1970)

52% (1972)

70% (2011)

75% (1958)

72% (1953)