68% (1974)

71% (1951)

41% (2006)

50% (1999)

55% (1954)

55% (2014)

79% (2015)

72% (1991)

48% (2011)

68% (1954)

71% (1960)

63% (1993)

56% (1973)

54% (2009)

68% (2020)

66% (2011)

70% (1968)

73% (1983)

47% (2004)

58% (1982)