71% (1977)

76% (2020)

69% (1985)

64% (2017)

60% (1979)

65% (2020)

64% (2004)

67% (1998)

47% (2013)

61% (2008)

53% (2014)

62% (2017)

70% (2009)

82% (2023)

50% (2017)

72% (2013)

65% (2017)

76% (2022)

52% (2015)

60% (2009)