68% (1962)

80% (1992)

69% (1970)

0% (1971)

80% (1953)

83% (1977)

67% (2004)

63% (1972)

68% (1955)

50% (1999)

60% (1969)

0% (1966)

68% (1975)

70% (1954)

0% (1970)

0% (1953)

56% (1972)

60% (2008)

40% (1973)

50% (2005)