32% (1968)

0% (1966)

42% (1991)

60% (1965)

50% (1959)

60% (1981)

0% (1978)

40% (1990)

60% (1938)

38% (1939)

0% (1970)

50% (1959)

80% (1987)

50% (1981)

60% (1971)

40% (1951)

0% (1984)

0% (1974)

0% (1991)

75% (1982)