38% (1976)

45% (1959)

59% (1963)

58% (1950)

0% (1953)

46% (1958)

61% (1963)

49% (1971)

53% (1967)

83% (1955)

37% (1959)

76% (1966)

65% (1958)

0% (1996)

40% (1969)

100% (1966)

63% (1957)

58% (1964)

40% (2003)

63% (1958)