65% (2006)

90% (2015)

70% (1974)

57% (2001)

50% (1959)

0% (1979)

80% (2013)

0% (1988)

45% (1987)

0% (1971)

52% (1986)

0% (1973)

0% (1986)

0% (1977)

100% (2005)

85% (1961)

80% (1999)

0% (1960)

0% (2002)

0% (1973)