42% (2014)

20% (2020)

52% (1982)

61% (2016)

44% (1983)

42% (1975)

59% (1970)

20% (1982)

72% (1967)

20% (1978)

20% (1984)

50% (1988)

37% (1974)

69% (1960)

42% (1980)

54% (1978)

60% (1972)

60% (1985)

47% (1972)

68% (1968)