66% (1972)

52% (1998)

32% (1978)

71% (2004)

0% (1971)

72% (1987)

70% (1996)

58% (1988)

41% (2013)

64% (1981)

47% (1991)

48% (2010)

49% (2017)

0% (1985)

67% (1980)

70% (2015)

59% (2012)

27% (2002)

0% (1982)

65% (1971)