28% (1979)

35% (1982)

68% (1981)

62% (1982)

55% (1987)

60% (1986)

60% (1983)

50% (1981)

0% (1973)

57% (1979)

56% (1987)

48% (1987)

50% (1986)

68% (1984)

48% (1982)

0% (2014)

62% (1974)

67% (1980)

64% (1978)

0% (1975)