73% (1981)

70% (1970)

77% (1970)

53% (1974)

72% (1982)

57% (1983)

74% (1970)

50% (1984)

60% (1984)

65% (1979)

65% (1978)

58% (2014)

55% (1987)

50% (1976)

66% (1988)

48% (1984)

0% (1983)

63% (1973)

58% (2014)

0% (1992)