73% (1990)

75% (2009)

67% (2024)

62% (2024)

69% (2011)

67% (2014)

78% (2012)

66% (1989)

71% (1983)

71% (2005)

70% (1997)

72% (1977)

69% (2023)

65% (2020)

71% (1981)

62% (2017)

90% (1976)

0% (1980)

68% (1974)

51% (2024)