68% (1964)

45% (2013)

63% (2015)

47% (2017)

48% (2023)

54% (1989)

48% (2007)

69% (1989)

62% (1986)

53% (2010)

59% (2017)

72% (1950)

62% (1939)

63% (1971)

63% (2015)

70% (1976)

58% (1983)

30% (1992)

74% (2019)

58% (1940)