60% (2005)

69% (1984)

70% (1992)

64% (1971)

78% (2007)

68% (1952)

30% (1999)

0% (2007)

62% (1970)

0% (1980)

74% (2004)

60% (1992)

90% (1948)

73% (2015)

76% (2015)

47% (2012)

60% (2014)

45% (2003)

60% (1989)

0% (2015)