78% (1984)

100% (1974)

0% (1956)

66% (1976)

0% (2000)

50% (1986)

68% (1988)

51% (1982)

60% (2009)

50% (1961)

87% (1951)

50% (1963)

80% (1992)

50% (1966)

55% (2006)

67% (1992)

90% (1997)

50% (1997)

75% (2001)

65% (2016)