76% (1998)

83% (2018)

60% (2021)

70% (2007)

60% (2020)

0% (1975)

77% (1964)

63% (2005)

70% (2019)

78% (2019)

65% (2010)

72% (1987)

40% (1972)

0% (1999)

0% (1992)

77% (1992)

69% (2020)

67% (2009)

68% (2016)

71% (2023)