72% (1999)

67% (2022)

66% (2024)

63% (2009)

69% (1981)

67% (2023)

62% (2007)

71% (1977)

72% (1985)

66% (2023)

75% (1997)

71% (1987)

76% (1997)

74% (1992)

59% (2018)

63% (2002)

59% (2001)

61% (2022)

72% (1993)

71% (1972)