69% (2003)

73% (2023)

64% (2009)

56% (2023)

53% (2024)

69% (2018)

64% (2015)

62% (2019)

67% (2012)

71% (2016)

73% (1999)

45% (2001)

67% (2009)

67% (2007)

71% (2011)

64% (2006)

28% (1962)

73% (1987)

59% (2001)

80% (1980)