78% (1975)

63% (2017)

68% (2011)

70% (2005)

64% (1997)

64% (1989)

73% (2007)

68% (2003)

66% (2019)

60% (2004)

80% (1996)

66% (2024)

66% (2023)

70% (2020)

61% (2018)

71% (2022)

63% (1985)

65% (2006)

69% (1995)

81% (1962)