66% (1988)

0% (1987)

51% (1986)

60% (1986)

60% (1990)

61% (1966)

40% (1985)

45% (1979)

56% (1977)

48% (1986)

0% (1989)

60% (1991)

0% (1966)

36% (1989)

0% (1938)

62% (1968)

48% (1970)

55% (1988)

80% (1972)

46% (1973)