51% (1977)

60% (1955)

72% (2009)

78% (2020)

71% (1997)

75% (2007)

64% (1991)

63% (2011)

69% (2000)

53% (2011)

69% (2017)

59% (2008)

69% (2022)

0% (2024)

55% (1994)

56% (2014)

52% (2013)

43% (1981)

66% (2013)

68% (2009)