52% (1993)

67% (1976)

57% (2008)

59% (1942)

50% (1983)

71% (2008)

68% (1987)

62% (1996)

41% (2000)

70% (1944)

67% (1997)

62% (1997)

69% (1994)

52% (1997)

70% (1966)

52% (1944)

50% (2016)

69% (1973)

41% (1999)

69% (1964)