90% (1987)

0% (1965)

0% (1959)

60% (1988)

50% (1993)

64% (1998)

50% (1987)

68% (1978)

10% (1984)

70% (1995)

10% (2004)

69% (1984)

63% (2000)

67% (1989)

62% (2007)

60% (1992)

55% (1998)

70% (1974)

0% (1958)

60% (2003)