70% (1984)

66% (2002)

56% (1993)

0% (2008)

0% (2005)

0% (2009)

60% (2008)

100% (1972)

100% (2005)

90% (2002)

0% (1974)

0% (2008)

0% (2007)

0% (1967)

0% (2013)

60% (2009)

0% (2008)

0% (2009)

80% (2016)

80% (1978)