71% (1962)

69% (1994)

58% (1967)

58% (2016)

60% (2020)

47% (1983)

68% (1990)

39% (2013)

58% (1963)

64% (2015)

61% (2004)

57% (2014)

59% (2015)

62% (2005)

65% (2024)

56% (1979)

58% (1993)

49% (1979)

51% (2008)

73% (1987)