61% (1982)

45% (1960)

55% (1980)

64% (1976)

72% (2019)

45% (2010)

60% (1993)

68% (2013)

50% (1984)

66% (1979)

40% (1979)

40% (1999)

71% (2018)

68% (2004)

84% (1987)

50% (1979)

50% (1966)

74% (2004)

53% (2005)

62% (2008)