68% (1958)

60% (1949)

50% (1966)

53% (1964)

47% (1993)

63% (2016)

62% (1965)

57% (2019)

55% (1969)

45% (2008)

51% (1966)

58% (1966)

63% (1958)

56% (1954)

60% (2000)

72% (1964)

54% (1962)

57% (1971)

35% (1937)

55% (1912)