79% (1953)

69% (1970)

70% (1978)

67% (1984)

77% (1993)

64% (2019)

39% (1992)

70% (2017)

60% (1975)

68% (2011)

67% (2024)

62% (2014)

62% (1999)

72% (1985)

65% (2022)

63% (2009)

63% (2019)

64% (1994)

62% (1977)

66% (1997)