49% (2016)

58% (2010)

66% (2004)

51% (1994)

62% (1984)

57% (1992)

66% (2006)

68% (1973)

58% (2011)

61% (2010)

62% (2024)

70% (1977)

75% (1966)

60% (2011)

65% (1992)

55% (2015)

79% (1955)

64% (2009)

72% (2016)

61% (2016)