50% (1976)

64% (1986)

68% (2015)

71% (2005)

62% (1965)

74% (2020)

92% (1980)

73% (1981)

50% (1981)

50% (1965)

60% (1989)

67% (1997)

78% (1983)

60% (1991)

59% (2017)

61% (1996)

0% (1951)

73% (1989)

45% (2012)

71% (2016)