73% (1987)

59% (1987)

30% (1982)

55% (1975)

55% (1980)

50% (1982)

58% (1982)

43% (1977)

58% (1979)

60% (1980)

42% (1970)

58% (1978)

55% (1968)

0% (2011)

50% (1979)

25% (1990)

43% (1984)

62% (1969)

0% (1973)

44% (1965)