50% (1953)

56% (1960)

77% (1952)

66% (1969)

60% (1944)

73% (1981)

50% (2001)

66% (1984)

58% (2015)

58% (1986)

52% (1970)

44% (2016)

57% (2004)

36% (2013)

30% (2006)

52% (2010)

51% (1978)

75% (1978)

64% (2017)

50% (1968)