61% (2005)

64% (1972)

70% (1984)

72% (1974)

63% (2003)

0% (2008)

0% (2007)

40% (1986)

72% (2002)

0% (2012)

58% (1996)

73% (2008)

100% (2008)

80% (2004)

0% (2004)

65% (2006)

0% (2012)

80% (2009)

0% (2007)

0% (2012)