70% (2003)

0% (2001)

0% (1991)

0% (2009)

0% (1984)

50% (2004)

60% (2005)

90% (2015)

65% (2012)

0% (1973)

60% (2005)

75% (2002)

78% (1985)

70% (2006)

78% (2011)

0% (1997)

0% (2008)

0% (2011)

0% (1994)

0% (2007)