52% (2001)

66% (2010)

64% (2016)

67% (2023)

75% (2020)

69% (2007)

69% (1980)

70% (1987)

72% (2023)

55% (2003)

55% (1980)

50% (1954)

58% (2017)

40% (1998)

48% (2010)

56% (2007)

61% (2021)

60% (1996)

61% (1984)

60% (2024)