62% (2001)

67% (2003)

76% (1951)

55% (1949)

62% (2006)

78% (1948)

65% (2018)

58% (1998)

52% (2008)

71% (1999)

70% (1993)

67% (2016)

45% (2009)

70% (1955)

61% (1982)

62% (1980)

41% (1984)

37% (2004)

59% (2002)

62% (1952)