70% (1964)

50% (2015)

60% (1967)

58% (1968)

30% (1976)

50% (1968)

60% (1980)

54% (1974)

60% (1964)

60% (1954)

40% (1967)

32% (1970)

0% (2019)

50% (1969)

50% (1985)