60% (2022)

64% (2006)

54% (2009)

66% (1972)

71% (1970)

63% (2015)

59% (1972)

69% (1983)

65% (2000)

54% (2023)

67% (2002)

61% (1980)

67% (1988)

63% (2012)

71% (1986)

62% (1975)

74% (1988)

64% (2006)

75% (2023)

64% (1975)