73% (2022)

74% (1974)

58% (1971)

60% (1970)

30% (1976)

60% (1967)

47% (1974)

43% (1969)

59% (1978)

40% (1973)

52% (1971)

53% (1967)

58% (1970)

55% (1981)

56% (1974)

60% (1969)

56% (1973)

58% (1970)

56% (1981)

60% (1966)