50% (1981)

66% (1964)

75% (1976)

55% (1977)

50% (1961)

0% (1985)

0% (1995)

50% (1965)

45% (2001)

63% (1980)

52% (1997)

0% (1957)

50% (1959)

57% (1977)

0% (1996)

40% (1958)

50% (1957)

0% (1992)

0% (1985)

82% (1963)