70% (1996)

68% (2018)

61% (2004)

69% (1987)

72% (1973)

69% (1961)

55% (2005)

63% (1990)

60% (2019)

60% (2023)

74% (1982)

52% (1998)

61% (2000)

57% (2009)

64% (2009)

64% (2003)

82% (1940)

71% (1951)

64% (2002)

61% (2018)