60% (1975)

60% (1977)

59% (2021)

62% (1981)

63% (1983)

69% (2023)

62% (2015)

69% (2022)

63% (1981)

59% (2004)

56% (2013)

60% (2022)

65% (1987)

50% (1985)

40% (2015)

56% (2015)

61% (2020)

0% (1970)

70% (1978)

0% (1984)