90% (1971)

64% (1955)

64% (1970)

75% (2011)

62% (1980)

86% (2013)

75% (2002)

0% (1973)

0% (1994)

76% (1996)

78% (2007)

70% (1986)

66% (2009)

57% (1999)

67% (2004)

72% (1956)

59% (2004)

60% (1962)

50% (1965)

73% (2001)