0% (2009)

0% (2004)

0% (1985)

80% (1985)

0% (1983)

20% (1979)

20% (1979)

0% (2014)

50% (1998)

35% (2012)

85% (2014)

20% (2011)

80% (2009)

0% (2008)

65% (2005)

40% (2005)

0% (2004)

52% (2004)

70% (2002)

50% (1991)