73% (1979)

75% (1972)

66% (2020)

76% (1982)

74% (1974)

62% (2001)

74% (1977)

71% (2010)

75% (1997)

74% (1999)

69% (1987)

70% (1999)

64% (2003)

79% (1992)

66% (1976)

64% (1970)

66% (1979)

61% (2005)

70% (2016)

69% (1984)