63% (1979)

0% (1980)

67% (1960)

56% (1982)

63% (1979)

65% (1968)

62% (1954)

45% (1992)

50% (1995)

50% (1991)

65% (1977)

67% (1959)

58% (1975)

60% (1970)

63% (1975)

50% (1991)

0% (1981)

68% (1969)

51% (2003)

69% (1997)