73% (1981)

77% (1970)

70% (1971)

73% (1970)

72% (1982)

50% (1984)

64% (1979)

59% (1984)

50% (1976)

53% (1974)

47% (2005)

58% (1983)

65% (1978)

0% (1977)

60% (1972)

0% (1983)

0% (1975)

69% (1986)

58% (2014)

0% (1981)