74% (2022)

75% (1974)

61% (1971)

62% (1967)

70% (1968)

40% (1973)

54% (1974)

30% (1976)

35% (1972)

60% (1966)

60% (1970)

52% (1971)

0% (1968)

43% (1969)

56% (1981)

60% (1967)

47% (1973)

59% (1978)

35% (2003)

57% (1971)