67% (1974)

45% (1982)

56% (1982)

73% (1970)

48% (1988)

30% (1976)

0% (1972)

30% (1970)

45% (1992)

0% (1988)

53% (1989)

32% (1990)

50% (1963)

63% (1979)

0% (1973)

0% (1970)

42% (1995)

65% (1966)

46% (1988)

50% (1979)