71% (1972)

60% (1978)

59% (1957)

44% (2005)

55% (2015)

63% (1977)

62% (1981)

38% (1983)

68% (1916)

56% (1978)

54% (2009)

44% (1993)

59% (1967)

51% (1907)

46% (2004)

63% (1971)

66% (1989)

45% (1997)

52% (2024)

43% (1987)