63% (1963)

69% (1981)

65% (1997)

63% (1978)

65% (1992)

0% (1940)

76% (1945)

63% (1983)

65% (1981)

67% (1984)

63% (2003)

70% (1939)

70% (1986)

52% (2002)

55% (1995)

61% (1996)

58% (1941)

69% (1974)

68% (1962)

72% (1966)