51% (2018)

64% (2016)

68% (2013)

60% (2018)

68% (1977)

30% (1976)

71% (2002)

60% (1965)

55% (2021)

64% (1967)

56% (1972)

61% (2013)

45% (2016)

62% (2021)

63% (2019)

61% (2009)

67% (1957)

72% (2024)

62% (1972)

55% (1975)