76% (1987)

72% (2017)

70% (2001)

66% (2019)

60% (2004)

63% (1985)

66% (1969)

65% (2013)

61% (2012)

54% (2013)

66% (2023)

64% (2007)

69% (2013)

64% (2020)

44% (2022)

72% (2016)

61% (2018)

69% (2011)

80% (2019)

70% (2009)