59% (1959)

48% (1991)

65% (1991)

54% (1960)

47% (1963)

0% (1968)

55% (1945)

53% (1992)

53% (1969)

60% (1984)

30% (1997)

45% (1994)

0% (1967)

60% (1960)

0% (1963)

40% (1957)

50% (1974)

65% (1988)

80% (1986)

65% (1949)