51% (2022)

68% (2007)

66% (1989)

57% (2003)

66% (2013)

58% (2011)

72% (2008)

74% (1977)

61% (2008)

56% (2018)

66% (2019)

72% (1981)

54% (2023)

63% (2009)

59% (2008)

55% (2002)

53% (1977)

69% (2006)

62% (2022)

61% (2000)