40% (1988)

48% (2003)

50% (1972)

42% (1959)

43% (1975)

52% (1981)

56% (1974)

0% (1975)

35% (1998)

0% (1951)

43% (1976)

40% (1959)

0% (1960)

20% (1988)

0% (1998)

0% (1977)

45% (1984)

0% (1954)

0% (1997)

80% (1976)