74% (1979)

77% (1982)

75% (1972)

66% (2020)

73% (1999)

70% (2016)

65% (1970)

71% (2010)

74% (1977)

66% (1971)

66% (1979)

65% (1976)

73% (1974)

69% (1987)

69% (2011)

65% (2003)

66% (2019)

74% (1971)

61% (2005)

69% (1984)