67% (1983)

73% (2000)

70% (2004)

63% (2017)

51% (1971)

56% (2008)

71% (2003)

67% (2018)

64% (2008)

75% (2005)

54% (2023)

55% (1997)

61% (1999)

77% (1957)

56% (2007)

67% (2010)

67% (1975)

50% (2013)

52% (1979)

79% (2018)