50% (2005)

80% (1988)

75% (1980)

75% (1976)

60% (1979)

74% (1975)

70% (1979)

76% (1978)

84% (1969)

70% (1977)

85% (1986)

40% (2009)

53% (2002)

65% (2016)

0% (2010)

0% (2014)

0% (1994)

76% (1980)

70% (2012)

56% (2011)