74% (2022)

75% (1974)

56% (1970)

56% (1973)

56% (1971)

52% (1971)

61% (1967)

60% (1970)

54% (1981)

41% (1971)

54% (1974)

55% (1981)

47% (1974)

58% (1970)

53% (1967)

60% (1967)

62% (1971)

54% (1974)

30% (1976)

61% (1982)