72% (1996)

69% (2023)

49% (1974)

47% (1973)

68% (2004)

68% (2017)

59% (2011)

59% (1992)

56% (1987)

61% (2002)

57% (1988)

60% (2005)

58% (1979)

57% (2023)

70% (2020)

56% (1964)

0% (2024)

51% (2009)

68% (2013)

60% (2012)