67% (1968)

48% (1965)

67% (1987)

45% (2023)

69% (2016)

60% (2005)

57% (1993)

64% (1961)

59% (1913)

70% (1981)

70% (2015)

58% (2006)

65% (2023)

45% (2023)

60% (1971)

70% (2010)

43% (2007)

67% (1981)

64% (1959)

52% (2003)