81% (1985)

75% (1972)

75% (1977)

63% (1968)

75% (1974)

68% (1981)

70% (1969)

64% (1970)

69% (1979)

31% (1984)

43% (1991)

61% (1986)

63% (1972)

30% (1971)

32% (1967)

26% (2014)

62% (1985)

20% (1968)

80% (1992)

0% (1992)