0% (1978)

100% (2005)

10% (1987)

80% (2013)

65% (2006)

57% (2001)

90% (2015)

0% (1977)

0% (1973)

0% (1979)

0% (1971)

52% (1986)

85% (1961)

0% (1973)

50% (1959)

0% (1986)

0% (1961)

0% (1960)

0% (2002)