71% (1997)

65% (2019)

73% (2023)

67% (2022)

59% (2010)

62% (2007)

52% (2020)

53% (2016)

67% (1997)

61% (2005)

63% (1990)

63% (2011)

60% (2005)

74% (2014)

66% (2004)

62% (2004)

66% (2020)

60% (2023)

62% (2024)

69% (2019)