52% (1986)

74% (2008)

73% (1967)

40% (1976)

35% (1977)

72% (2010)

57% (1982)

59% (2010)

52% (1985)

65% (1964)

40% (1983)

64% (2007)

71% (1966)

65% (2017)

56% (2010)

74% (2017)

67% (1980)

20% (1986)

57% (2001)

23% (1985)