70% (1974)

50% (1985)

52% (2010)

50% (1966)

54% (2009)

75% (2003)

76% (1979)

73% (1984)

75% (1983)

48% (2001)

50% (1957)

62% (1983)

0% (1974)

50% (1972)

50% (1967)

64% (2011)

50% (1977)

71% (2006)

93% (2016)

72% (2013)