50% (1955)

67% (1991)

0% (1970)

40% (1971)

0% (1957)

60% (1965)

30% (1945)

0% (1951)

40% (1950)

0% (1947)

0% (1949)

50% (1965)

40% (1948)

45% (1961)

0% (1990)

45% (1954)

60% (1956)

55% (1949)

0% (1970)

0% (1994)