72% (1991)

50% (1992)

60% (1983)

52% (1985)

52% (1987)

58% (1978)

51% (1986)

53% (1984)

51% (1992)

46% (1977)

69% (1982)

55% (1962)

68% (1986)

90% (1993)

35% (2017)

45% (1989)

10% (1979)

48% (1988)