0% (1958)

70% (2010)

63% (1968)

60% (1961)

70% (1976)

70% (1967)

54% (1976)

50% (1962)

0% (1988)

55% (1962)

0% (1980)

0% (2008)

80% (1989)

55% (1965)

70% (1955)

0% (1962)

0% (1966)

0% (1965)

52% (1979)

50% (1967)