68% (1998)

62% (1981)

50% (2014)

64% (1962)

59% (1961)

70% (1958)

40% (1983)

41% (2007)

60% (2021)

71% (1963)

48% (2021)

47% (1982)

68% (1991)

69% (1984)

67% (1961)

64% (2004)

61% (1962)

82% (1981)

71% (1977)

70% (1983)