10% (1985)

58% (1983)

40% (1971)

70% (1977)

0% (1974)

50% (1983)

63% (1960)

0% (1954)

41% (1979)

54% (2011)

60% (2012)

0% (1984)

55% (1974)

45% (1972)

50% (1986)

40% (1968)

63% (1969)

48% (1974)

52% (1998)

54% (1970)