51% (1985)

60% (1988)

67% (1968)

33% (1998)

62% (1972)

63% (1982)

47% (1975)

20% (1980)

55% (1985)

48% (1971)

0% (1977)

60% (2019)

47% (1982)

32% (2002)

0% (1971)

53% (1970)

54% (1984)

10% (1982)

71% (1965)

67% (1973)