40% (1986)

64% (1972)

0% (2008)

80% (2009)

72% (2002)

100% (2008)

70% (1984)

71% (2008)

70% (2012)

80% (2005)

0% (1999)

0% (2007)

61% (2005)

0% (2012)

58% (1996)

65% (2006)

63% (2003)

0% (2008)

0% (2012)

0% (2005)