56% (1985)

51% (2001)

65% (1997)

72% (1935)

56% (2009)

65% (1997)

69% (2007)

40% (2014)

76% (2021)

61% (2015)

52% (1992)

59% (1965)

34% (2002)

70% (1964)

51% (2008)

43% (2005)

79% (2001)

60% (2011)

66% (2009)

67% (1959)