71% (1978)

64% (2014)

57% (2006)

79% (2005)

57% (2014)

62% (1987)

69% (1998)

60% (1965)

72% (1996)

50% (1982)

77% (1983)

66% (2017)

75% (2009)

50% (1966)

60% (1991)

65% (1962)

68% (1979)

50% (1963)

50% (1979)

72% (1973)