52% (1977)

59% (1990)

65% (1965)

54% (2020)

39% (2017)

54% (1982)

59% (1989)

60% (1989)

49% (1979)

71% (2003)

40% (2022)

67% (1971)

61% (2005)

62% (1982)

63% (2010)

47% (2009)

65% (2011)

79% (2018)

48% (2010)

40% (2010)