68% (2023)

50% (2020)

80% (2017)

52% (2005)

88% (2010)

78% (1997)

80% (2015)

73% (1980)

64% (2023)

60% (2021)

70% (2018)

73% (2011)

60% (2022)

66% (2012)

74% (2022)

73% (2008)

0% (1962)

0% (1988)

80% (2003)

0% (2010)