40% (1987)

58% (1977)

63% (1966)

70% (1975)

60% (1973)

77% (1980)

40% (1975)

57% (1971)

50% (1992)

31% (1988)

52% (1973)

40% (1972)

32% (1972)

0% (1969)

0% (2001)

0% (1964)

67% (1965)

0% (1962)

0% (1970)

51% (1970)