40% (1968)

42% (1970)

48% (1974)

0% (1993)

58% (2017)

54% (1970)

39% (1971)

53% (1985)

55% (1970)

59% (2016)

50% (2004)

45% (1957)

42% (1985)

69% (1978)

50% (1983)

68% (1960)

76% (2005)

63% (2010)

20% (1968)

0% (1952)