49% (1992)

60% (1983)

70% (1991)

52% (1985)

58% (1978)

50% (1986)

53% (1987)

50% (1992)

69% (1982)

58% (1984)

49% (1977)

45% (1989)

10% (1979)

55% (1962)

90% (1993)

68% (1986)

48% (1988)

35% (2017)