64% (1972)

61% (2005)

63% (2003)

0% (2007)

100% (2008)

0% (2008)

80% (2009)

72% (2002)

40% (1986)

80% (2004)

0% (1999)

80% (2005)

58% (1996)

0% (2012)

70% (1984)

72% (1974)

70% (2012)

0% (2005)

0% (2012)

65% (2006)