72% (1952)

69% (1993)

56% (2015)

78% (1981)

54% (2012)

68% (1976)

31% (1980)

71% (1969)

68% (2020)

28% (1983)

56% (2020)

55% (1980)

40% (2015)

39% (2013)

68% (1971)

70% (1952)

75% (1972)

45% (2015)

55% (1983)

41% (2020)