55% (1941)

46% (2017)

45% (2014)

40% (2005)

57% (1919)

48% (1967)

56% (1989)

40% (1997)

67% (1951)

75% (2013)

28% (1993)

70% (1994)

70% (2017)

55% (1961)

50% (1993)

72% (2002)

70% (2012)

45% (2003)

60% (2014)

57% (1975)