62% (1988)

58% (1964)

73% (1941)

51% (2000)

56% (1991)

60% (1986)

63% (1961)

71% (1950)

65% (1939)

70% (1942)

59% (1988)

53% (1969)

56% (1978)

48% (2002)

59% (1981)

67% (2009)

59% (1964)

70% (1928)

71% (1967)

59% (1981)