61% (2009)

76% (2006)

55% (2005)

69% (2002)

73% (1955)

65% (2008)

69% (1949)

60% (2007)

61% (2010)

56% (2009)

73% (1951)

51% (2007)

57% (2006)

68% (1958)

77% (1949)

72% (1945)

49% (2015)

70% (1953)

71% (1948)

69% (1951)